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Finding the Fourth Proportional to 82,818.66, 124,067.60 and 49,564.92

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Solution

The fourth proportional to 82,818.66, 124,067.60 and 49,564.92 is: 74,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,818.66 : 124,067.60 = 49,564.92 : x
  2. Step 2: Convert to fraction form
    82,818.66/124,067.60 = 49,564.92/x
  3. Step 3: Cross multiply
    82,818.66x = 124,067.60 × 49,564.92
  4. Step 4: Simplify right side
    82,818.66x = 6,149,400,668.59
  5. Step 5: Solve for x
    x = 6,149,400,668.59/82,818.66
  6. Step 6: Final answer
    x = 74,251.39

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1.5x scale

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.