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Finding the Fourth Proportional to 169,863.08, 234,414.04 and 93,385.40

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Solution

The fourth proportional to 169,863.08, 234,414.04 and 93,385.40 is: 128,873.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,863.08 : 234,414.04 = 93,385.40 : x
  2. Step 2: Convert to fraction form
    169,863.08/234,414.04 = 93,385.40/x
  3. Step 3: Cross multiply
    169,863.08x = 234,414.04 × 93,385.40
  4. Step 4: Simplify right side
    169,863.08x = 21,890,848,891.02
  5. Step 5: Solve for x
    x = 21,890,848,891.02/169,863.08
  6. Step 6: Final answer
    x = 128,873.50

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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.