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Finding the Fourth Proportional to 95,019.76, 131,019.96 and 71,069.68

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Solution

The fourth proportional to 95,019.76, 131,019.96 and 71,069.68 is: 97,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,019.76 : 131,019.96 = 71,069.68 : x
  2. Step 2: Convert to fraction form
    95,019.76/131,019.96 = 71,069.68/x
  3. Step 3: Cross multiply
    95,019.76x = 131,019.96 × 71,069.68
  4. Step 4: Simplify right side
    95,019.76x = 9,311,546,630.81
  5. Step 5: Solve for x
    x = 9,311,546,630.81/95,019.76
  6. Step 6: Final answer
    x = 97,995.90

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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.