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Finding the Fourth Proportional to 114,737.63, 158,363.21 and 63,767.86

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Solution

The fourth proportional to 114,737.63, 158,363.21 and 63,767.86 is: 88,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,737.63 : 158,363.21 = 63,767.86 : x
  2. Step 2: Convert to fraction form
    114,737.63/158,363.21 = 63,767.86/x
  3. Step 3: Cross multiply
    114,737.63x = 158,363.21 × 63,767.86
  4. Step 4: Simplify right side
    114,737.63x = 10,098,482,767.94
  5. Step 5: Solve for x
    x = 10,098,482,767.94/114,737.63
  6. Step 6: Final answer
    x = 88,013.70

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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.