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Finding the Fourth Proportional to 172,862.44, 238,550.16 and 93,374.44

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Solution

The fourth proportional to 172,862.44, 238,550.16 and 93,374.44 is: 128,856.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,862.44 : 238,550.16 = 93,374.44 : x
  2. Step 2: Convert to fraction form
    172,862.44/238,550.16 = 93,374.44/x
  3. Step 3: Cross multiply
    172,862.44x = 238,550.16 × 93,374.44
  4. Step 4: Simplify right side
    172,862.44x = 22,274,487,355.69
  5. Step 5: Solve for x
    x = 22,274,487,355.69/172,862.44
  6. Step 6: Final answer
    x = 128,856.72

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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.