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Finding the Fourth Proportional to 82,560,603.90, 123,840,905.85 and 44,296,851.90

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Solution

The fourth proportional to 82,560,603.90, 123,840,905.85 and 44,296,851.90 is: 66,445,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,560,603.90 : 123,840,905.85 = 44,296,851.90 : x
  2. Step 2: Convert to fraction form
    82,560,603.90/123,840,905.85 = 44,296,851.90/x
  3. Step 3: Cross multiply
    82,560,603.90x = 123,840,905.85 × 44,296,851.90
  4. Step 4: Simplify right side
    82,560,603.90x = 5,485,762,265,599,293
  5. Step 5: Solve for x
    x = 5,485,762,265,599,293/82,560,603.90
  6. Step 6: Final answer
    x = 66,445,277.85

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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.