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Finding the Fourth Proportional to 295,027.80, 442,541.70 and 108,112.20

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Solution

The fourth proportional to 295,027.80, 442,541.70 and 108,112.20 is: 162,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,027.80 : 442,541.70 = 108,112.20 : x
  2. Step 2: Convert to fraction form
    295,027.80/442,541.70 = 108,112.20/x
  3. Step 3: Cross multiply
    295,027.80x = 442,541.70 × 108,112.20
  4. Step 4: Simplify right side
    295,027.80x = 47,844,156,778.74
  5. Step 5: Solve for x
    x = 47,844,156,778.74/295,027.80
  6. Step 6: Final answer
    x = 162,168.30

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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.