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Finding the Fourth Proportional to 295,685.80, 443,442.30 and 106,124.20

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Solution

The fourth proportional to 295,685.80, 443,442.30 and 106,124.20 is: 159,155.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,685.80 : 443,442.30 = 106,124.20 : x
  2. Step 2: Convert to fraction form
    295,685.80/443,442.30 = 106,124.20/x
  3. Step 3: Cross multiply
    295,685.80x = 443,442.30 × 106,124.20
  4. Step 4: Simplify right side
    295,685.80x = 47,059,959,333.66
  5. Step 5: Solve for x
    x = 47,059,959,333.66/295,685.80
  6. Step 6: Final answer
    x = 159,155.29

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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.