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Finding the Fourth Proportional to 82,944,091.80, 124,192,188.90 and 82,944,091.80

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Solution

The fourth proportional to 82,944,091.80, 124,192,188.90 and 82,944,091.80 is: 124,192,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,091.80 : 124,192,188.90 = 82,944,091.80 : x
  2. Step 2: Convert to fraction form
    82,944,091.80/124,192,188.90 = 82,944,091.80/x
  3. Step 3: Cross multiply
    82,944,091.80x = 124,192,188.90 × 82,944,091.80
  4. Step 4: Simplify right side
    82,944,091.80x = 10,301,008,316,964,542
  5. Step 5: Solve for x
    x = 10,301,008,316,964,542/82,944,091.80
  6. Step 6: Final answer
    x = 124,192,188.90

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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.