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Finding the Fourth Proportional to 250,088.46, 375,169.59 and 72,572.40

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Solution

The fourth proportional to 250,088.46, 375,169.59 and 72,572.40 is: 108,869.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,088.46 : 375,169.59 = 72,572.40 : x
  2. Step 2: Convert to fraction form
    250,088.46/375,169.59 = 72,572.40/x
  3. Step 3: Cross multiply
    250,088.46x = 375,169.59 × 72,572.40
  4. Step 4: Simplify right side
    250,088.46x = 27,226,957,553.32
  5. Step 5: Solve for x
    x = 27,226,957,553.32/250,088.46
  6. Step 6: Final answer
    x = 108,869.31

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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.