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Finding the Fourth Proportional to 161,484.40, 243,743.41 and 161,484.40

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Solution

The fourth proportional to 161,484.40, 243,743.41 and 161,484.40 is: 243,743.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,484.40 : 243,743.41 = 161,484.40 : x
  2. Step 2: Convert to fraction form
    161,484.40/243,743.41 = 161,484.40/x
  3. Step 3: Cross multiply
    161,484.40x = 243,743.41 × 161,484.40
  4. Step 4: Simplify right side
    161,484.40x = 39,360,758,317.80
  5. Step 5: Solve for x
    x = 39,360,758,317.80/161,484.40
  6. Step 6: Final answer
    x = 243,743.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.