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Finding the Fourth Proportional to 272,402.28, 408,593.52 and 94,908.60

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Solution

The fourth proportional to 272,402.28, 408,593.52 and 94,908.60 is: 142,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,402.28 : 408,593.52 = 94,908.60 : x
  2. Step 2: Convert to fraction form
    272,402.28/408,593.52 = 94,908.60/x
  3. Step 3: Cross multiply
    272,402.28x = 408,593.52 × 94,908.60
  4. Step 4: Simplify right side
    272,402.28x = 38,779,038,952.27
  5. Step 5: Solve for x
    x = 38,779,038,952.27/272,402.28
  6. Step 6: Final answer
    x = 142,359.45

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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.