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Finding the Fourth Proportional to 82,977,963.90, 124,466,945.85 and 82,977,963.90

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Solution

The fourth proportional to 82,977,963.90, 124,466,945.85 and 82,977,963.90 is: 124,466,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,977,963.90 : 124,466,945.85 = 82,977,963.90 : x
  2. Step 2: Convert to fraction form
    82,977,963.90/124,466,945.85 = 82,977,963.90/x
  3. Step 3: Cross multiply
    82,977,963.90x = 124,466,945.85 × 82,977,963.90
  4. Step 4: Simplify right side
    82,977,963.90x = 10,328,013,739,484,556
  5. Step 5: Solve for x
    x = 10,328,013,739,484,556/82,977,963.90
  6. Step 6: Final answer
    x = 124,466,945.85

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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.