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Finding the Fourth Proportional to 247,092.48, 370,639.26 and 89,320.68

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Solution

The fourth proportional to 247,092.48, 370,639.26 and 89,320.68 is: 133,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,092.48 : 370,639.26 = 89,320.68 : x
  2. Step 2: Convert to fraction form
    247,092.48/370,639.26 = 89,320.68/x
  3. Step 3: Cross multiply
    247,092.48x = 370,639.26 × 89,320.68
  4. Step 4: Simplify right side
    247,092.48x = 33,105,750,737.90
  5. Step 5: Solve for x
    x = 33,105,750,737.90/247,092.48
  6. Step 6: Final answer
    x = 133,981.22

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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.