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Finding the Fourth Proportional to 361,806.80, 542,736.12 and 95,564.66

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Solution

The fourth proportional to 361,806.80, 542,736.12 and 95,564.66 is: 143,353.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,806.80 : 542,736.12 = 95,564.66 : x
  2. Step 2: Convert to fraction form
    361,806.80/542,736.12 = 95,564.66/x
  3. Step 3: Cross multiply
    361,806.80x = 542,736.12 × 95,564.66
  4. Step 4: Simplify right side
    361,806.80x = 51,866,392,777.52
  5. Step 5: Solve for x
    x = 51,866,392,777.52/361,806.80
  6. Step 6: Final answer
    x = 143,353.84

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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.