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Finding the Fourth Proportional to 361,805.55, 542,734.25 and 95,563.41

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Solution

The fourth proportional to 361,805.55, 542,734.25 and 95,563.41 is: 143,351.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,805.55 : 542,734.25 = 95,563.41 : x
  2. Step 2: Convert to fraction form
    361,805.55/542,734.25 = 95,563.41/x
  3. Step 3: Cross multiply
    361,805.55x = 542,734.25 × 95,563.41
  4. Step 4: Simplify right side
    361,805.55x = 51,865,535,653.79
  5. Step 5: Solve for x
    x = 51,865,535,653.79/361,805.55
  6. Step 6: Final answer
    x = 143,351.96

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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.