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Finding the Fourth Proportional to 76,374.50, 114,645.56 and 60,680.41

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Solution

The fourth proportional to 76,374.50, 114,645.56 and 60,680.41 is: 91,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,374.50 : 114,645.56 = 60,680.41 : x
  2. Step 2: Convert to fraction form
    76,374.50/114,645.56 = 60,680.41/x
  3. Step 3: Cross multiply
    76,374.50x = 114,645.56 × 60,680.41
  4. Step 4: Simplify right side
    76,374.50x = 6,956,739,585.48
  5. Step 5: Solve for x
    x = 6,956,739,585.48/76,374.50
  6. Step 6: Final answer
    x = 91,087.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.