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Finding the Fourth Proportional to 99,695.88, 137,595.24 and 63,926.28

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Solution

The fourth proportional to 99,695.88, 137,595.24 and 63,926.28 is: 88,227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,695.88 : 137,595.24 = 63,926.28 : x
  2. Step 2: Convert to fraction form
    99,695.88/137,595.24 = 63,926.28/x
  3. Step 3: Cross multiply
    99,695.88x = 137,595.24 × 63,926.28
  4. Step 4: Simplify right side
    99,695.88x = 8,795,951,838.91
  5. Step 5: Solve for x
    x = 8,795,951,838.91/99,695.88
  6. Step 6: Final answer
    x = 88,227.84

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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.