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Finding the Fourth Proportional to 109,645.44, 151,294.42 and 64,306.32

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Solution

The fourth proportional to 109,645.44, 151,294.42 and 64,306.32 is: 88,733.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,645.44 : 151,294.42 = 64,306.32 : x
  2. Step 2: Convert to fraction form
    109,645.44/151,294.42 = 64,306.32/x
  3. Step 3: Cross multiply
    109,645.44x = 151,294.42 × 64,306.32
  4. Step 4: Simplify right side
    109,645.44x = 9,729,187,386.73
  5. Step 5: Solve for x
    x = 9,729,187,386.73/109,645.44
  6. Step 6: Final answer
    x = 88,733.17

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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.