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Finding the Fourth Proportional to 80,186.42, 110,655.60 and 44,374.30

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Solution

The fourth proportional to 80,186.42, 110,655.60 and 44,374.30 is: 61,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,186.42 : 110,655.60 = 44,374.30 : x
  2. Step 2: Convert to fraction form
    80,186.42/110,655.60 = 44,374.30/x
  3. Step 3: Cross multiply
    80,186.42x = 110,655.60 × 44,374.30
  4. Step 4: Simplify right side
    80,186.42x = 4,910,264,791.08
  5. Step 5: Solve for x
    x = 4,910,264,791.08/80,186.42
  6. Step 6: Final answer
    x = 61,235.62

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1.5x scale

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.