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Finding the Fourth Proportional to 75,374.64, 113,061.84 and 58,747.14

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Solution

The fourth proportional to 75,374.64, 113,061.84 and 58,747.14 is: 88,120.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,374.64 : 113,061.84 = 58,747.14 : x
  2. Step 2: Convert to fraction form
    75,374.64/113,061.84 = 58,747.14/x
  3. Step 3: Cross multiply
    75,374.64x = 113,061.84 × 58,747.14
  4. Step 4: Simplify right side
    75,374.64x = 6,642,059,522.84
  5. Step 5: Solve for x
    x = 6,642,059,522.84/75,374.64
  6. Step 6: Final answer
    x = 88,120.61

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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.