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Finding the Fourth Proportional to 88,593,978.60, 132,890,967.90 and 67,094,893.80

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Solution

The fourth proportional to 88,593,978.60, 132,890,967.90 and 67,094,893.80 is: 100,642,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,593,978.60 : 132,890,967.90 = 67,094,893.80 : x
  2. Step 2: Convert to fraction form
    88,593,978.60/132,890,967.90 = 67,094,893.80/x
  3. Step 3: Cross multiply
    88,593,978.60x = 132,890,967.90 × 67,094,893.80
  4. Step 4: Simplify right side
    88,593,978.60x = 8,916,305,378,229,709
  5. Step 5: Solve for x
    x = 8,916,305,378,229,709/88,593,978.60
  6. Step 6: Final answer
    x = 100,642,340.70

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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.