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Finding the Fourth Proportional to 83,175.76, 114,785.38 and 45,452.44

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Solution

The fourth proportional to 83,175.76, 114,785.38 and 45,452.44 is: 62,725.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,175.76 : 114,785.38 = 45,452.44 : x
  2. Step 2: Convert to fraction form
    83,175.76/114,785.38 = 45,452.44/x
  3. Step 3: Cross multiply
    83,175.76x = 114,785.38 × 45,452.44
  4. Step 4: Simplify right side
    83,175.76x = 5,217,275,597.33
  5. Step 5: Solve for x
    x = 5,217,275,597.33/83,175.76
  6. Step 6: Final answer
    x = 62,725.91

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1.5x scale

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.