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Finding the Fourth Proportional to 162,801.30, 244,201.95 and 74,227.80

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Solution

The fourth proportional to 162,801.30, 244,201.95 and 74,227.80 is: 111,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,801.30 : 244,201.95 = 74,227.80 : x
  2. Step 2: Convert to fraction form
    162,801.30/244,201.95 = 74,227.80/x
  3. Step 3: Cross multiply
    162,801.30x = 244,201.95 × 74,227.80
  4. Step 4: Simplify right side
    162,801.30x = 18,126,573,504.21
  5. Step 5: Solve for x
    x = 18,126,573,504.21/162,801.30
  6. Step 6: Final answer
    x = 111,341.70

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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.