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Finding the Fourth Proportional to 60,111.40, 90,167.10 and 29,007.40

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Solution

The fourth proportional to 60,111.40, 90,167.10 and 29,007.40 is: 43,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,111.40 : 90,167.10 = 29,007.40 : x
  2. Step 2: Convert to fraction form
    60,111.40/90,167.10 = 29,007.40/x
  3. Step 3: Cross multiply
    60,111.40x = 90,167.10 × 29,007.40
  4. Step 4: Simplify right side
    60,111.40x = 2,615,513,136.54
  5. Step 5: Solve for x
    x = 2,615,513,136.54/60,111.40
  6. Step 6: Final answer
    x = 43,511.10

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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.