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Finding the Fourth Proportional to 63,876.60, 89,310.60 and 63,876.60

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Solution

The fourth proportional to 63,876.60, 89,310.60 and 63,876.60 is: 89,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,876.60 : 89,310.60 = 63,876.60 : x
  2. Step 2: Convert to fraction form
    63,876.60/89,310.60 = 63,876.60/x
  3. Step 3: Cross multiply
    63,876.60x = 89,310.60 × 63,876.60
  4. Step 4: Simplify right side
    63,876.60x = 5,704,857,471.96
  5. Step 5: Solve for x
    x = 5,704,857,471.96/63,876.60
  6. Step 6: Final answer
    x = 89,310.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.