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Finding the Fourth Proportional to 136,693.85, 205,046.98 and 41,917.10

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Solution

The fourth proportional to 136,693.85, 205,046.98 and 41,917.10 is: 62,877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,693.85 : 205,046.98 = 41,917.10 : x
  2. Step 2: Convert to fraction form
    136,693.85/205,046.98 = 41,917.10/x
  3. Step 3: Cross multiply
    136,693.85x = 205,046.98 × 41,917.10
  4. Step 4: Simplify right side
    136,693.85x = 8,594,973,635.33
  5. Step 5: Solve for x
    x = 8,594,973,635.33/136,693.85
  6. Step 6: Final answer
    x = 62,877.55

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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.