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Finding the Fourth Proportional to 52,279.80, 78,333.30 and 44,503.80

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Solution

The fourth proportional to 52,279.80, 78,333.30 and 44,503.80 is: 66,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,279.80 : 78,333.30 = 44,503.80 : x
  2. Step 2: Convert to fraction form
    52,279.80/78,333.30 = 44,503.80/x
  3. Step 3: Cross multiply
    52,279.80x = 78,333.30 × 44,503.80
  4. Step 4: Simplify right side
    52,279.80x = 3,486,129,516.54
  5. Step 5: Solve for x
    x = 3,486,129,516.54/52,279.80
  6. Step 6: Final answer
    x = 66,682.15

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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.