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Finding the Fourth Proportional to 67,234.60, 101,070.60 and 47,648.80

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Solution

The fourth proportional to 67,234.60, 101,070.60 and 47,648.80 is: 71,628.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,234.60 : 101,070.60 = 47,648.80 : x
  2. Step 2: Convert to fraction form
    67,234.60/101,070.60 = 47,648.80/x
  3. Step 3: Cross multiply
    67,234.60x = 101,070.60 × 47,648.80
  4. Step 4: Simplify right side
    67,234.60x = 4,815,892,805.28
  5. Step 5: Solve for x
    x = 4,815,892,805.28/67,234.60
  6. Step 6: Final answer
    x = 71,628.19

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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.