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Finding the Fourth Proportional to 80,329.47, 110,851.65 and 44,520.09

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Solution

The fourth proportional to 80,329.47, 110,851.65 and 44,520.09 is: 61,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,329.47 : 110,851.65 = 44,520.09 : x
  2. Step 2: Convert to fraction form
    80,329.47/110,851.65 = 44,520.09/x
  3. Step 3: Cross multiply
    80,329.47x = 110,851.65 × 44,520.09
  4. Step 4: Simplify right side
    80,329.47x = 4,935,125,434.65
  5. Step 5: Solve for x
    x = 4,935,125,434.65/80,329.47
  6. Step 6: Final answer
    x = 61,436.05

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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.