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Finding the Fourth Proportional to 66,876.39, 100,439.46 and 58,873.98

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Solution

The fourth proportional to 66,876.39, 100,439.46 and 58,873.98 is: 88,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,876.39 : 100,439.46 = 58,873.98 : x
  2. Step 2: Convert to fraction form
    66,876.39/100,439.46 = 58,873.98/x
  3. Step 3: Cross multiply
    66,876.39x = 100,439.46 × 58,873.98
  4. Step 4: Simplify right side
    66,876.39x = 5,913,270,759.25
  5. Step 5: Solve for x
    x = 5,913,270,759.25/66,876.39
  6. Step 6: Final answer
    x = 88,420.90

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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.