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Finding the Fourth Proportional to 80,174.76, 120,242.70 and 33,402.12

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Solution

The fourth proportional to 80,174.76, 120,242.70 and 33,402.12 is: 50,095.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,174.76 : 120,242.70 = 33,402.12 : x
  2. Step 2: Convert to fraction form
    80,174.76/120,242.70 = 33,402.12/x
  3. Step 3: Cross multiply
    80,174.76x = 120,242.70 × 33,402.12
  4. Step 4: Simplify right side
    80,174.76x = 4,016,361,094.52
  5. Step 5: Solve for x
    x = 4,016,361,094.52/80,174.76
  6. Step 6: Final answer
    x = 50,095.08

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1.5x scale

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.