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Finding the Fourth Proportional to 63,766.68, 88,000.86 and 53,138.52

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Solution

The fourth proportional to 63,766.68, 88,000.86 and 53,138.52 is: 73,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,766.68 : 88,000.86 = 53,138.52 : x
  2. Step 2: Convert to fraction form
    63,766.68/88,000.86 = 53,138.52/x
  3. Step 3: Cross multiply
    63,766.68x = 88,000.86 × 53,138.52
  4. Step 4: Simplify right side
    63,766.68x = 4,676,235,459.13
  5. Step 5: Solve for x
    x = 4,676,235,459.13/63,766.68
  6. Step 6: Final answer
    x = 73,333.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.