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Finding the Fourth Proportional to 95,704.55, 132,079.91 and 55,419.02

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Solution

The fourth proportional to 95,704.55, 132,079.91 and 55,419.02 is: 76,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,704.55 : 132,079.91 = 55,419.02 : x
  2. Step 2: Convert to fraction form
    95,704.55/132,079.91 = 55,419.02/x
  3. Step 3: Cross multiply
    95,704.55x = 132,079.91 × 55,419.02
  4. Step 4: Simplify right side
    95,704.55x = 7,319,738,236.39
  5. Step 5: Solve for x
    x = 7,319,738,236.39/95,704.55
  6. Step 6: Final answer
    x = 76,482.66

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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.