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Finding the Fourth Proportional to 101,092.80, 151,748.55 and 63,695.10

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Solution

The fourth proportional to 101,092.80, 151,748.55 and 63,695.10 is: 95,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,092.80 : 151,748.55 = 63,695.10 : x
  2. Step 2: Convert to fraction form
    101,092.80/151,748.55 = 63,695.10/x
  3. Step 3: Cross multiply
    101,092.80x = 151,748.55 × 63,695.10
  4. Step 4: Simplify right side
    101,092.80x = 9,665,639,067.11
  5. Step 5: Solve for x
    x = 9,665,639,067.11/101,092.80
  6. Step 6: Final answer
    x = 95,611.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.