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Finding the Fourth Proportional to 142,250.65, 213,433.38 and 63,310.88

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Solution

The fourth proportional to 142,250.65, 213,433.38 and 63,310.88 is: 94,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,250.65 : 213,433.38 = 63,310.88 : x
  2. Step 2: Convert to fraction form
    142,250.65/213,433.38 = 63,310.88/x
  3. Step 3: Cross multiply
    142,250.65x = 213,433.38 × 63,310.88
  4. Step 4: Simplify right side
    142,250.65x = 13,512,655,642.76
  5. Step 5: Solve for x
    x = 13,512,655,642.76/142,250.65
  6. Step 6: Final answer
    x = 94,991.87

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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.