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Finding the Fourth Proportional to 67,307.22, 100,842.30 and 59,976.90

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Solution

The fourth proportional to 67,307.22, 100,842.30 and 59,976.90 is: 89,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,307.22 : 100,842.30 = 59,976.90 : x
  2. Step 2: Convert to fraction form
    67,307.22/100,842.30 = 59,976.90/x
  3. Step 3: Cross multiply
    67,307.22x = 100,842.30 × 59,976.90
  4. Step 4: Simplify right side
    67,307.22x = 6,048,208,542.87
  5. Step 5: Solve for x
    x = 6,048,208,542.87/67,307.22
  6. Step 6: Final answer
    x = 89,859.73

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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.