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Finding the Fourth Proportional to 371,463.86, 557,197.23 and 90,981.14

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Solution

The fourth proportional to 371,463.86, 557,197.23 and 90,981.14 is: 136,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,463.86 : 557,197.23 = 90,981.14 : x
  2. Step 2: Convert to fraction form
    371,463.86/557,197.23 = 90,981.14/x
  3. Step 3: Cross multiply
    371,463.86x = 557,197.23 × 90,981.14
  4. Step 4: Simplify right side
    371,463.86x = 50,694,439,190.24
  5. Step 5: Solve for x
    x = 50,694,439,190.24/371,463.86
  6. Step 6: Final answer
    x = 136,472.06

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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.