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Finding the Fourth Proportional to 95,270, 131,474.42 and 52,246.78

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Solution

The fourth proportional to 95,270, 131,474.42 and 52,246.78 is: 72,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,270 : 131,474.42 = 52,246.78 : x
  2. Step 2: Convert to fraction form
    95,270/131,474.42 = 52,246.78/x
  3. Step 3: Cross multiply
    95,270x = 131,474.42 × 52,246.78
  4. Step 4: Simplify right side
    95,270x = 6,869,114,178.76
  5. Step 5: Solve for x
    x = 6,869,114,178.76/95,270
  6. Step 6: Final answer
    x = 72,101.54

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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.