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Finding the Fourth Proportional to 351,760.66, 527,646.78 and 99,047.24

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Solution

The fourth proportional to 351,760.66, 527,646.78 and 99,047.24 is: 148,572.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,760.66 : 527,646.78 = 99,047.24 : x
  2. Step 2: Convert to fraction form
    351,760.66/527,646.78 = 99,047.24/x
  3. Step 3: Cross multiply
    351,760.66x = 527,646.78 × 99,047.24
  4. Step 4: Simplify right side
    351,760.66x = 52,261,957,253.89
  5. Step 5: Solve for x
    x = 52,261,957,253.89/351,760.66
  6. Step 6: Final answer
    x = 148,572.49

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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.