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Finding the Fourth Proportional to 169,863.58, 234,414.73 and 93,385.90

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Solution

The fourth proportional to 169,863.58, 234,414.73 and 93,385.90 is: 128,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,863.58 : 234,414.73 = 93,385.90 : x
  2. Step 2: Convert to fraction form
    169,863.58/234,414.73 = 93,385.90/x
  3. Step 3: Cross multiply
    169,863.58x = 234,414.73 × 93,385.90
  4. Step 4: Simplify right side
    169,863.58x = 21,891,030,534.31
  5. Step 5: Solve for x
    x = 21,891,030,534.31/169,863.58
  6. Step 6: Final answer
    x = 128,874.19

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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.