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Finding the Fourth Proportional to 82,971,249.45, 124,217,725.73 and 82,971,249.45

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Solution

The fourth proportional to 82,971,249.45, 124,217,725.73 and 82,971,249.45 is: 124,217,725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,971,249.45 : 124,217,725.73 = 82,971,249.45 : x
  2. Step 2: Convert to fraction form
    82,971,249.45/124,217,725.73 = 82,971,249.45/x
  3. Step 3: Cross multiply
    82,971,249.45x = 124,217,725.73 × 82,971,249.45
  4. Step 4: Simplify right side
    82,971,249.45x = 10,306,499,907,240,656
  5. Step 5: Solve for x
    x = 10,306,499,907,240,656/82,971,249.45
  6. Step 6: Final answer
    x = 124,217,725.73

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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.