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Finding the Fourth Proportional to 83,177.82, 114,785.69 and 45,452.07

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Solution

The fourth proportional to 83,177.82, 114,785.69 and 45,452.07 is: 62,724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,177.82 : 114,785.69 = 45,452.07 : x
  2. Step 2: Convert to fraction form
    83,177.82/114,785.69 = 45,452.07/x
  3. Step 3: Cross multiply
    83,177.82x = 114,785.69 × 45,452.07
  4. Step 4: Simplify right side
    83,177.82x = 5,217,247,216.88
  5. Step 5: Solve for x
    x = 5,217,247,216.88/83,177.82
  6. Step 6: Final answer
    x = 62,724.02

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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.