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Finding the Fourth Proportional to 88,576,893.90, 132,865,340.85 and 80,640,708.30

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Solution

The fourth proportional to 88,576,893.90, 132,865,340.85 and 80,640,708.30 is: 120,961,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,576,893.90 : 132,865,340.85 = 80,640,708.30 : x
  2. Step 2: Convert to fraction form
    88,576,893.90/132,865,340.85 = 80,640,708.30/x
  3. Step 3: Cross multiply
    88,576,893.90x = 132,865,340.85 × 80,640,708.30
  4. Step 4: Simplify right side
    88,576,893.90x = 10,714,355,194,664,924
  5. Step 5: Solve for x
    x = 10,714,355,194,664,924/88,576,893.90
  6. Step 6: Final answer
    x = 120,961,062.45

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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.