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Finding the Fourth Proportional to 85,198.46, 127,883.04 and 35,307.86

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Solution

The fourth proportional to 85,198.46, 127,883.04 and 35,307.86 is: 52,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,198.46 : 127,883.04 = 35,307.86 : x
  2. Step 2: Convert to fraction form
    85,198.46/127,883.04 = 35,307.86/x
  3. Step 3: Cross multiply
    85,198.46x = 127,883.04 × 35,307.86
  4. Step 4: Simplify right side
    85,198.46x = 4,515,276,472.69
  5. Step 5: Solve for x
    x = 4,515,276,472.69/85,198.46
  6. Step 6: Final answer
    x = 52,997.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.