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Finding the Fourth Proportional to 100,932.95, 151,422.88 and 34,373.66

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Solution

The fourth proportional to 100,932.95, 151,422.88 and 34,373.66 is: 51,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,932.95 : 151,422.88 = 34,373.66 : x
  2. Step 2: Convert to fraction form
    100,932.95/151,422.88 = 34,373.66/x
  3. Step 3: Cross multiply
    100,932.95x = 151,422.88 × 34,373.66
  4. Step 4: Simplify right side
    100,932.95x = 5,204,957,814.74
  5. Step 5: Solve for x
    x = 5,204,957,814.74/100,932.95
  6. Step 6: Final answer
    x = 51,568.47

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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.