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Finding the Fourth Proportional to 272,487.30, 408,767.40 and 95,048.70

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Solution

The fourth proportional to 272,487.30, 408,767.40 and 95,048.70 is: 142,585.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,487.30 : 408,767.40 = 95,048.70 : x
  2. Step 2: Convert to fraction form
    272,487.30/408,767.40 = 95,048.70/x
  3. Step 3: Cross multiply
    272,487.30x = 408,767.40 × 95,048.70
  4. Step 4: Simplify right side
    272,487.30x = 38,852,809,972.38
  5. Step 5: Solve for x
    x = 38,852,809,972.38/272,487.30
  6. Step 6: Final answer
    x = 142,585.76

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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.