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Finding the Fourth Proportional to 83,189.92, 124,834.02 and 43,750.08

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Solution

The fourth proportional to 83,189.92, 124,834.02 and 43,750.08 is: 65,650.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,189.92 : 124,834.02 = 43,750.08 : x
  2. Step 2: Convert to fraction form
    83,189.92/124,834.02 = 43,750.08/x
  3. Step 3: Cross multiply
    83,189.92x = 124,834.02 × 43,750.08
  4. Step 4: Simplify right side
    83,189.92x = 5,461,498,361.72
  5. Step 5: Solve for x
    x = 5,461,498,361.72/83,189.92
  6. Step 6: Final answer
    x = 65,650.96

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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.