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Finding the Fourth Proportional to 63,838.74, 88,107.96 and 48,702.84

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Solution

The fourth proportional to 63,838.74, 88,107.96 and 48,702.84 is: 67,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,838.74 : 88,107.96 = 48,702.84 : x
  2. Step 2: Convert to fraction form
    63,838.74/88,107.96 = 48,702.84/x
  3. Step 3: Cross multiply
    63,838.74x = 88,107.96 × 48,702.84
  4. Step 4: Simplify right side
    63,838.74x = 4,291,107,878.61
  5. Step 5: Solve for x
    x = 4,291,107,878.61/63,838.74
  6. Step 6: Final answer
    x = 67,217.93

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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.