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Finding the Fourth Proportional to 67,514.58, 101,154.32 and 43,845.78

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Solution

The fourth proportional to 67,514.58, 101,154.32 and 43,845.78 is: 65,692.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,514.58 : 101,154.32 = 43,845.78 : x
  2. Step 2: Convert to fraction form
    67,514.58/101,154.32 = 43,845.78/x
  3. Step 3: Cross multiply
    67,514.58x = 101,154.32 × 43,845.78
  4. Step 4: Simplify right side
    67,514.58x = 4,435,190,060.77
  5. Step 5: Solve for x
    x = 4,435,190,060.77/67,514.58
  6. Step 6: Final answer
    x = 65,692.33

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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.