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Finding the Fourth Proportional to 351,702.41, 527,552.24 and 85,463.71

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Solution

The fourth proportional to 351,702.41, 527,552.24 and 85,463.71 is: 128,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,702.41 : 527,552.24 = 85,463.71 : x
  2. Step 2: Convert to fraction form
    351,702.41/527,552.24 = 85,463.71/x
  3. Step 3: Cross multiply
    351,702.41x = 527,552.24 × 85,463.71
  4. Step 4: Simplify right side
    351,702.41x = 45,086,570,383.74
  5. Step 5: Solve for x
    x = 45,086,570,383.74/351,702.41
  6. Step 6: Final answer
    x = 128,195.23

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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.