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Finding the Fourth Proportional to 118,407.96, 177,613.32 and 34,169.76

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Solution

The fourth proportional to 118,407.96, 177,613.32 and 34,169.76 is: 51,255.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,407.96 : 177,613.32 = 34,169.76 : x
  2. Step 2: Convert to fraction form
    118,407.96/177,613.32 = 34,169.76/x
  3. Step 3: Cross multiply
    118,407.96x = 177,613.32 × 34,169.76
  4. Step 4: Simplify right side
    118,407.96x = 6,069,004,517.20
  5. Step 5: Solve for x
    x = 6,069,004,517.20/118,407.96
  6. Step 6: Final answer
    x = 51,255.04

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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.