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Finding the Fourth Proportional to 137,659.77, 206,445.92 and 93,569.85

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Solution

The fourth proportional to 137,659.77, 206,445.92 and 93,569.85 is: 140,325.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,659.77 : 206,445.92 = 93,569.85 : x
  2. Step 2: Convert to fraction form
    137,659.77/206,445.92 = 93,569.85/x
  3. Step 3: Cross multiply
    137,659.77x = 206,445.92 × 93,569.85
  4. Step 4: Simplify right side
    137,659.77x = 19,317,113,299.66
  5. Step 5: Solve for x
    x = 19,317,113,299.66/137,659.77
  6. Step 6: Final answer
    x = 140,325.04

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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.