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Finding the Fourth Proportional to 144,797.73, 199,702.40 and 101,919.17

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Solution

The fourth proportional to 144,797.73, 199,702.40 and 101,919.17 is: 140,565.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,797.73 : 199,702.40 = 101,919.17 : x
  2. Step 2: Convert to fraction form
    144,797.73/199,702.40 = 101,919.17/x
  3. Step 3: Cross multiply
    144,797.73x = 199,702.40 × 101,919.17
  4. Step 4: Simplify right side
    144,797.73x = 20,353,501,346.90
  5. Step 5: Solve for x
    x = 20,353,501,346.90/144,797.73
  6. Step 6: Final answer
    x = 140,565.06

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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.