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Finding the Fourth Proportional to 144,774.57, 216,862.95 and 107,376.87

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Solution

The fourth proportional to 144,774.57, 216,862.95 and 107,376.87 is: 160,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,774.57 : 216,862.95 = 107,376.87 : x
  2. Step 2: Convert to fraction form
    144,774.57/216,862.95 = 107,376.87/x
  3. Step 3: Cross multiply
    144,774.57x = 216,862.95 × 107,376.87
  4. Step 4: Simplify right side
    144,774.57x = 23,286,064,789.97
  5. Step 5: Solve for x
    x = 23,286,064,789.97/144,774.57
  6. Step 6: Final answer
    x = 160,843.61

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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.