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Finding the Fourth Proportional to 95,507.76, 131,790.60 and 55,215.12

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Solution

The fourth proportional to 95,507.76, 131,790.60 and 55,215.12 is: 76,191.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,507.76 : 131,790.60 = 55,215.12 : x
  2. Step 2: Convert to fraction form
    95,507.76/131,790.60 = 55,215.12/x
  3. Step 3: Cross multiply
    95,507.76x = 131,790.60 × 55,215.12
  4. Step 4: Simplify right side
    95,507.76x = 7,276,833,793.87
  5. Step 5: Solve for x
    x = 7,276,833,793.87/95,507.76
  6. Step 6: Final answer
    x = 76,191.02

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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.