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Finding the Fourth Proportional to 581,906.12, 872,859.18 and 161,182.13

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Solution

The fourth proportional to 581,906.12, 872,859.18 and 161,182.13 is: 241,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,906.12 : 872,859.18 = 161,182.13 : x
  2. Step 2: Convert to fraction form
    581,906.12/872,859.18 = 161,182.13/x
  3. Step 3: Cross multiply
    581,906.12x = 872,859.18 × 161,182.13
  4. Step 4: Simplify right side
    581,906.12x = 140,689,301,822.45
  5. Step 5: Solve for x
    x = 140,689,301,822.45/581,906.12
  6. Step 6: Final answer
    x = 241,773.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.