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Finding the Fourth Proportional to 79,965.29, 110,350.05 and 52,707.98

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Solution

The fourth proportional to 79,965.29, 110,350.05 and 52,707.98 is: 72,735.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,965.29 : 110,350.05 = 52,707.98 : x
  2. Step 2: Convert to fraction form
    79,965.29/110,350.05 = 52,707.98/x
  3. Step 3: Cross multiply
    79,965.29x = 110,350.05 × 52,707.98
  4. Step 4: Simplify right side
    79,965.29x = 5,816,328,306.62
  5. Step 5: Solve for x
    x = 5,816,328,306.62/79,965.29
  6. Step 6: Final answer
    x = 72,735.66

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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.