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Finding the Fourth Proportional to 63,126.87, 87,117.66 and 36,277.80

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Solution

The fourth proportional to 63,126.87, 87,117.66 and 36,277.80 is: 50,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,126.87 : 87,117.66 = 36,277.80 : x
  2. Step 2: Convert to fraction form
    63,126.87/87,117.66 = 36,277.80/x
  3. Step 3: Cross multiply
    63,126.87x = 87,117.66 × 36,277.80
  4. Step 4: Simplify right side
    63,126.87x = 3,160,437,045.95
  5. Step 5: Solve for x
    x = 3,160,437,045.95/63,126.87
  6. Step 6: Final answer
    x = 50,064.85

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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.