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Finding the Fourth Proportional to 80,672.30, 121,024.79 and 33,925.13

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Solution

The fourth proportional to 80,672.30, 121,024.79 and 33,925.13 is: 50,894.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,672.30 : 121,024.79 = 33,925.13 : x
  2. Step 2: Convert to fraction form
    80,672.30/121,024.79 = 33,925.13/x
  3. Step 3: Cross multiply
    80,672.30x = 121,024.79 × 33,925.13
  4. Step 4: Simplify right side
    80,672.30x = 4,105,780,959.22
  5. Step 5: Solve for x
    x = 4,105,780,959.22/80,672.30
  6. Step 6: Final answer
    x = 50,894.56

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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.