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Finding the Fourth Proportional to 82,524,607.80, 123,786,911.70 and 44,260,855.80

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Solution

The fourth proportional to 82,524,607.80, 123,786,911.70 and 44,260,855.80 is: 66,391,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,524,607.80 : 123,786,911.70 = 44,260,855.80 : x
  2. Step 2: Convert to fraction form
    82,524,607.80/123,786,911.70 = 44,260,855.80/x
  3. Step 3: Cross multiply
    82,524,607.80x = 123,786,911.70 × 44,260,855.80
  4. Step 4: Simplify right side
    82,524,607.80x = 5,478,914,648,681,033
  5. Step 5: Solve for x
    x = 5,478,914,648,681,033/82,524,607.80
  6. Step 6: Final answer
    x = 66,391,283.70

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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.