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Finding the Fourth Proportional to 121,325.10, 181,944.45 and 54,797.10

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Solution

The fourth proportional to 121,325.10, 181,944.45 and 54,797.10 is: 82,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,325.10 : 181,944.45 = 54,797.10 : x
  2. Step 2: Convert to fraction form
    121,325.10/181,944.45 = 54,797.10/x
  3. Step 3: Cross multiply
    121,325.10x = 181,944.45 × 54,797.10
  4. Step 4: Simplify right side
    121,325.10x = 9,970,028,221.10
  5. Step 5: Solve for x
    x = 9,970,028,221.10/121,325.10
  6. Step 6: Final answer
    x = 82,176.14

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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.