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Finding the Fourth Proportional to 83,191.92, 124,837.02 and 43,752.08

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Solution

The fourth proportional to 83,191.92, 124,837.02 and 43,752.08 is: 65,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,191.92 : 124,837.02 = 43,752.08 : x
  2. Step 2: Convert to fraction form
    83,191.92/124,837.02 = 43,752.08/x
  3. Step 3: Cross multiply
    83,191.92x = 124,837.02 × 43,752.08
  4. Step 4: Simplify right side
    83,191.92x = 5,461,879,286.00
  5. Step 5: Solve for x
    x = 5,461,879,286.00/83,191.92
  6. Step 6: Final answer
    x = 65,653.96

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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.