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Finding the Fourth Proportional to 95,371.64, 131,571.72 and 57,624

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Solution

The fourth proportional to 95,371.64, 131,571.72 and 57,624 is: 79,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,371.64 : 131,571.72 = 57,624 : x
  2. Step 2: Convert to fraction form
    95,371.64/131,571.72 = 57,624/x
  3. Step 3: Cross multiply
    95,371.64x = 131,571.72 × 57,624
  4. Step 4: Simplify right side
    95,371.64x = 7,581,688,793.28
  5. Step 5: Solve for x
    x = 7,581,688,793.28/95,371.64
  6. Step 6: Final answer
    x = 79,496.26

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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.