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Finding the Fourth Proportional to 67,162,503.20, 100,575,793.20 and 53,725,575.20

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Solution

The fourth proportional to 67,162,503.20, 100,575,793.20 and 53,725,575.20 is: 80,454,004.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,162,503.20 : 100,575,793.20 = 53,725,575.20 : x
  2. Step 2: Convert to fraction form
    67,162,503.20/100,575,793.20 = 53,725,575.20/x
  3. Step 3: Cross multiply
    67,162,503.20x = 100,575,793.20 × 53,725,575.20
  4. Step 4: Simplify right side
    67,162,503.20x = 5,403,492,340,866,249
  5. Step 5: Solve for x
    x = 5,403,492,340,866,249/67,162,503.20
  6. Step 6: Final answer
    x = 80,454,004.59

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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.