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Finding the Fourth Proportional to 81,767.87, 112,834.04 and 45,963.27

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Solution

The fourth proportional to 81,767.87, 112,834.04 and 45,963.27 is: 63,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,767.87 : 112,834.04 = 45,963.27 : x
  2. Step 2: Convert to fraction form
    81,767.87/112,834.04 = 45,963.27/x
  3. Step 3: Cross multiply
    81,767.87x = 112,834.04 × 45,963.27
  4. Step 4: Simplify right side
    81,767.87x = 5,186,221,445.71
  5. Step 5: Solve for x
    x = 5,186,221,445.71/81,767.87
  6. Step 6: Final answer
    x = 63,426.15

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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.