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Finding the Fourth Proportional to 80,301.15, 120,452.60 and 32,904.08

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Solution

The fourth proportional to 80,301.15, 120,452.60 and 32,904.08 is: 49,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,301.15 : 120,452.60 = 32,904.08 : x
  2. Step 2: Convert to fraction form
    80,301.15/120,452.60 = 32,904.08/x
  3. Step 3: Cross multiply
    80,301.15x = 120,452.60 × 32,904.08
  4. Step 4: Simplify right side
    80,301.15x = 3,963,381,219.82
  5. Step 5: Solve for x
    x = 3,963,381,219.82/80,301.15
  6. Step 6: Final answer
    x = 49,356.47

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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.