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Finding the Fourth Proportional to 295,230.80, 442,846.20 and 162,370.55

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Solution

The fourth proportional to 295,230.80, 442,846.20 and 162,370.55 is: 243,555.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,230.80 : 442,846.20 = 162,370.55 : x
  2. Step 2: Convert to fraction form
    295,230.80/442,846.20 = 162,370.55/x
  3. Step 3: Cross multiply
    295,230.80x = 442,846.20 × 162,370.55
  4. Step 4: Simplify right side
    295,230.80x = 71,905,181,059.41
  5. Step 5: Solve for x
    x = 71,905,181,059.41/295,230.80
  6. Step 6: Final answer
    x = 243,555.83

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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.