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Finding the Fourth Proportional to 109,672.53, 151,348.57 and 59,371.53

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Solution

The fourth proportional to 109,672.53, 151,348.57 and 59,371.53 is: 81,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,672.53 : 151,348.57 = 59,371.53 : x
  2. Step 2: Convert to fraction form
    109,672.53/151,348.57 = 59,371.53/x
  3. Step 3: Cross multiply
    109,672.53x = 151,348.57 × 59,371.53
  4. Step 4: Simplify right side
    109,672.53x = 8,985,796,164.21
  5. Step 5: Solve for x
    x = 8,985,796,164.21/109,672.53
  6. Step 6: Final answer
    x = 81,932.97

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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.