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Finding the Fourth Proportional to 95,422.56, 143,133.84 and 39,260.40

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Solution

The fourth proportional to 95,422.56, 143,133.84 and 39,260.40 is: 58,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,422.56 : 143,133.84 = 39,260.40 : x
  2. Step 2: Convert to fraction form
    95,422.56/143,133.84 = 39,260.40/x
  3. Step 3: Cross multiply
    95,422.56x = 143,133.84 × 39,260.40
  4. Step 4: Simplify right side
    95,422.56x = 5,619,491,811.94
  5. Step 5: Solve for x
    x = 5,619,491,811.94/95,422.56
  6. Step 6: Final answer
    x = 58,890.60

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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.