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Finding the Fourth Proportional to 71,047.98, 98,081.64 and 44,199.12

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Solution

The fourth proportional to 71,047.98, 98,081.64 and 44,199.12 is: 61,016.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,047.98 : 98,081.64 = 44,199.12 : x
  2. Step 2: Convert to fraction form
    71,047.98/98,081.64 = 44,199.12/x
  3. Step 3: Cross multiply
    71,047.98x = 98,081.64 × 44,199.12
  4. Step 4: Simplify right side
    71,047.98x = 4,335,122,176.16
  5. Step 5: Solve for x
    x = 4,335,122,176.16/71,047.98
  6. Step 6: Final answer
    x = 61,016.83

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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.