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Finding the Fourth Proportional to 295,245.90, 442,868.85 and 108,233.10

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Solution

The fourth proportional to 295,245.90, 442,868.85 and 108,233.10 is: 162,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245.90 : 442,868.85 = 108,233.10 : x
  2. Step 2: Convert to fraction form
    295,245.90/442,868.85 = 108,233.10/x
  3. Step 3: Cross multiply
    295,245.90x = 442,868.85 × 108,233.10
  4. Step 4: Simplify right side
    295,245.90x = 47,933,068,528.94
  5. Step 5: Solve for x
    x = 47,933,068,528.94/295,245.90
  6. Step 6: Final answer
    x = 162,349.65

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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.