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Finding the Fourth Proportional to 96,998.60, 145,469.10 and 37,800.20

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Solution

The fourth proportional to 96,998.60, 145,469.10 and 37,800.20 is: 56,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,998.60 : 145,469.10 = 37,800.20 : x
  2. Step 2: Convert to fraction form
    96,998.60/145,469.10 = 37,800.20/x
  3. Step 3: Cross multiply
    96,998.60x = 145,469.10 × 37,800.20
  4. Step 4: Simplify right side
    96,998.60x = 5,498,761,073.82
  5. Step 5: Solve for x
    x = 5,498,761,073.82/96,998.60
  6. Step 6: Final answer
    x = 56,689.08

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1.5x scale

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.