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Finding the Fourth Proportional to 119,755.97, 165,244.61 and 69,445.25

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Solution

The fourth proportional to 119,755.97, 165,244.61 and 69,445.25 is: 95,823.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,755.97 : 165,244.61 = 69,445.25 : x
  2. Step 2: Convert to fraction form
    119,755.97/165,244.61 = 69,445.25/x
  3. Step 3: Cross multiply
    119,755.97x = 165,244.61 × 69,445.25
  4. Step 4: Simplify right side
    119,755.97x = 11,475,452,905.38
  5. Step 5: Solve for x
    x = 11,475,452,905.38/119,755.97
  6. Step 6: Final answer
    x = 95,823.64

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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.