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Finding the Fourth Proportional to 83,148.73, 124,690.72 and 26,975.26

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Solution

The fourth proportional to 83,148.73, 124,690.72 and 26,975.26 is: 40,452.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,148.73 : 124,690.72 = 26,975.26 : x
  2. Step 2: Convert to fraction form
    83,148.73/124,690.72 = 26,975.26/x
  3. Step 3: Cross multiply
    83,148.73x = 124,690.72 × 26,975.26
  4. Step 4: Simplify right side
    83,148.73x = 3,363,564,591.59
  5. Step 5: Solve for x
    x = 3,363,564,591.59/83,148.73
  6. Step 6: Final answer
    x = 40,452.39

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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.