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Finding the Fourth Proportional to 71,074.90, 98,079.42 and 44,216.56

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Solution

The fourth proportional to 71,074.90, 98,079.42 and 44,216.56 is: 61,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,074.90 : 98,079.42 = 44,216.56 : x
  2. Step 2: Convert to fraction form
    71,074.90/98,079.42 = 44,216.56/x
  3. Step 3: Cross multiply
    71,074.90x = 98,079.42 × 44,216.56
  4. Step 4: Simplify right side
    71,074.90x = 4,336,734,559.20
  5. Step 5: Solve for x
    x = 4,336,734,559.20/71,074.90
  6. Step 6: Final answer
    x = 61,016.40

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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.