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Finding the Fourth Proportional to 81,652.62, 112,677.72 and 45,844.14

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Solution

The fourth proportional to 81,652.62, 112,677.72 and 45,844.14 is: 63,263.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,652.62 : 112,677.72 = 45,844.14 : x
  2. Step 2: Convert to fraction form
    81,652.62/112,677.72 = 45,844.14/x
  3. Step 3: Cross multiply
    81,652.62x = 112,677.72 × 45,844.14
  4. Step 4: Simplify right side
    81,652.62x = 5,165,613,170.56
  5. Step 5: Solve for x
    x = 5,165,613,170.56/81,652.62
  6. Step 6: Final answer
    x = 63,263.29

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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.