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Finding the Fourth Proportional to 69,859.67, 96,192.85 and 52,657.03

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Solution

The fourth proportional to 69,859.67, 96,192.85 and 52,657.03 is: 72,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,859.67 : 96,192.85 = 52,657.03 : x
  2. Step 2: Convert to fraction form
    69,859.67/96,192.85 = 52,657.03/x
  3. Step 3: Cross multiply
    69,859.67x = 96,192.85 × 52,657.03
  4. Step 4: Simplify right side
    69,859.67x = 5,065,229,788.24
  5. Step 5: Solve for x
    x = 5,065,229,788.24/69,859.67
  6. Step 6: Final answer
    x = 72,505.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.