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Finding the Fourth Proportional to 247,711.03, 341,716.17 and 145,671.52

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Solution

The fourth proportional to 247,711.03, 341,716.17 and 145,671.52 is: 200,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,711.03 : 341,716.17 = 145,671.52 : x
  2. Step 2: Convert to fraction form
    247,711.03/341,716.17 = 145,671.52/x
  3. Step 3: Cross multiply
    247,711.03x = 341,716.17 × 145,671.52
  4. Step 4: Simplify right side
    247,711.03x = 49,778,313,892.48
  5. Step 5: Solve for x
    x = 49,778,313,892.48/247,711.03
  6. Step 6: Final answer
    x = 200,953.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.