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Finding the Fourth Proportional to 80,655.40, 111,304.56 and 44,849.08

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Solution

The fourth proportional to 80,655.40, 111,304.56 and 44,849.08 is: 61,891.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,655.40 : 111,304.56 = 44,849.08 : x
  2. Step 2: Convert to fraction form
    80,655.40/111,304.56 = 44,849.08/x
  3. Step 3: Cross multiply
    80,655.40x = 111,304.56 × 44,849.08
  4. Step 4: Simplify right side
    80,655.40x = 4,991,907,115.80
  5. Step 5: Solve for x
    x = 4,991,907,115.80/80,655.40
  6. Step 6: Final answer
    x = 61,891.79

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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.