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Finding the Fourth Proportional to 100,851.68, 151,207.49 and 44,661.17

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Solution

The fourth proportional to 100,851.68, 151,207.49 and 44,661.17 is: 66,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,851.68 : 151,207.49 = 44,661.17 : x
  2. Step 2: Convert to fraction form
    100,851.68/151,207.49 = 44,661.17/x
  3. Step 3: Cross multiply
    100,851.68x = 151,207.49 × 44,661.17
  4. Step 4: Simplify right side
    100,851.68x = 6,753,103,905.83
  5. Step 5: Solve for x
    x = 6,753,103,905.83/100,851.68
  6. Step 6: Final answer
    x = 66,960.75

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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.