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Finding the Fourth Proportional to 144,707.68, 199,766.02 and 101,724.02

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Solution

The fourth proportional to 144,707.68, 199,766.02 and 101,724.02 is: 140,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,707.68 : 199,766.02 = 101,724.02 : x
  2. Step 2: Convert to fraction form
    144,707.68/199,766.02 = 101,724.02/x
  3. Step 3: Cross multiply
    144,707.68x = 199,766.02 × 101,724.02
  4. Step 4: Simplify right side
    144,707.68x = 20,321,002,613.80
  5. Step 5: Solve for x
    x = 20,321,002,613.80/144,707.68
  6. Step 6: Final answer
    x = 140,427.95

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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.