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Finding the Fourth Proportional to 295,445.80, 443,082.30 and 105,884.20

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Solution

The fourth proportional to 295,445.80, 443,082.30 and 105,884.20 is: 158,795.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,445.80 : 443,082.30 = 105,884.20 : x
  2. Step 2: Convert to fraction form
    295,445.80/443,082.30 = 105,884.20/x
  3. Step 3: Cross multiply
    295,445.80x = 443,082.30 × 105,884.20
  4. Step 4: Simplify right side
    295,445.80x = 46,915,414,869.66
  5. Step 5: Solve for x
    x = 46,915,414,869.66/295,445.80
  6. Step 6: Final answer
    x = 158,795.34

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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.