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Finding the Fourth Proportional to 95,438.80, 143,113.20 and 35,425.68

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Solution

The fourth proportional to 95,438.80, 143,113.20 and 35,425.68 is: 53,121.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,438.80 : 143,113.20 = 35,425.68 : x
  2. Step 2: Convert to fraction form
    95,438.80/143,113.20 = 35,425.68/x
  3. Step 3: Cross multiply
    95,438.80x = 143,113.20 × 35,425.68
  4. Step 4: Simplify right side
    95,438.80x = 5,069,882,426.98
  5. Step 5: Solve for x
    x = 5,069,882,426.98/95,438.80
  6. Step 6: Final answer
    x = 53,121.82

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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.