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Finding the Fourth Proportional to 72,251.60, 108,233.40 and 63,592.40

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Solution

The fourth proportional to 72,251.60, 108,233.40 and 63,592.40 is: 95,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,251.60 : 108,233.40 = 63,592.40 : x
  2. Step 2: Convert to fraction form
    72,251.60/108,233.40 = 63,592.40/x
  3. Step 3: Cross multiply
    72,251.60x = 108,233.40 × 63,592.40
  4. Step 4: Simplify right side
    72,251.60x = 6,882,821,666.16
  5. Step 5: Solve for x
    x = 6,882,821,666.16/72,251.60
  6. Step 6: Final answer
    x = 95,261.86

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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.