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Finding the Fourth Proportional to 137,349.88, 206,111.49 and 58,463.98

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Solution

The fourth proportional to 137,349.88, 206,111.49 and 58,463.98 is: 87,732.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,349.88 : 206,111.49 = 58,463.98 : x
  2. Step 2: Convert to fraction form
    137,349.88/206,111.49 = 58,463.98/x
  3. Step 3: Cross multiply
    137,349.88x = 206,111.49 × 58,463.98
  4. Step 4: Simplify right side
    137,349.88x = 12,050,098,029.13
  5. Step 5: Solve for x
    x = 12,050,098,029.13/137,349.88
  6. Step 6: Final answer
    x = 87,732.86

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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.