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Finding the Fourth Proportional to 109,808.88, 151,536.26 and 59,507.88

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Solution

The fourth proportional to 109,808.88, 151,536.26 and 59,507.88 is: 82,120.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,808.88 : 151,536.26 = 59,507.88 : x
  2. Step 2: Convert to fraction form
    109,808.88/151,536.26 = 59,507.88/x
  3. Step 3: Cross multiply
    109,808.88x = 151,536.26 × 59,507.88
  4. Step 4: Simplify right side
    109,808.88x = 9,017,601,575.73
  5. Step 5: Solve for x
    x = 9,017,601,575.73/109,808.88
  6. Step 6: Final answer
    x = 82,120.88

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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.