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Finding the Fourth Proportional to 95,453.70, 143,180.55 and 67,314.30

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Solution

The fourth proportional to 95,453.70, 143,180.55 and 67,314.30 is: 100,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,453.70 : 143,180.55 = 67,314.30 : x
  2. Step 2: Convert to fraction form
    95,453.70/143,180.55 = 67,314.30/x
  3. Step 3: Cross multiply
    95,453.70x = 143,180.55 × 67,314.30
  4. Step 4: Simplify right side
    95,453.70x = 9,638,098,496.87
  5. Step 5: Solve for x
    x = 9,638,098,496.87/95,453.70
  6. Step 6: Final answer
    x = 100,971.45

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1.5x scale

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.