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Finding the Fourth Proportional to 82,923,972.40, 124,385,958.60 and 82,923,972.40

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Solution

The fourth proportional to 82,923,972.40, 124,385,958.60 and 82,923,972.40 is: 124,385,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,923,972.40 : 124,385,958.60 = 82,923,972.40 : x
  2. Step 2: Convert to fraction form
    82,923,972.40/124,385,958.60 = 82,923,972.40/x
  3. Step 3: Cross multiply
    82,923,972.40x = 124,385,958.60 × 82,923,972.40
  4. Step 4: Simplify right side
    82,923,972.40x = 10,314,577,797,893,942
  5. Step 5: Solve for x
    x = 10,314,577,797,893,942/82,923,972.40
  6. Step 6: Final answer
    x = 124,385,958.60

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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.