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Finding the Fourth Proportional to 83,175.74, 124,737.44 and 27,002.87

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Solution

The fourth proportional to 83,175.74, 124,737.44 and 27,002.87 is: 40,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,175.74 : 124,737.44 = 27,002.87 : x
  2. Step 2: Convert to fraction form
    83,175.74/124,737.44 = 27,002.87/x
  3. Step 3: Cross multiply
    83,175.74x = 124,737.44 × 27,002.87
  4. Step 4: Simplify right side
    83,175.74x = 3,368,268,117.75
  5. Step 5: Solve for x
    x = 3,368,268,117.75/83,175.74
  6. Step 6: Final answer
    x = 40,495.80

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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.