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Finding the Fourth Proportional to 70,827.30, 106,388.57 and 59,755.61

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Solution

The fourth proportional to 70,827.30, 106,388.57 and 59,755.61 is: 89,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,827.30 : 106,388.57 = 59,755.61 : x
  2. Step 2: Convert to fraction form
    70,827.30/106,388.57 = 59,755.61/x
  3. Step 3: Cross multiply
    70,827.30x = 106,388.57 × 59,755.61
  4. Step 4: Simplify right side
    70,827.30x = 6,357,313,897.38
  5. Step 5: Solve for x
    x = 6,357,313,897.38/70,827.30
  6. Step 6: Final answer
    x = 89,757.96

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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.