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Finding the Fourth Proportional to 162,801.30, 244,274.85 and 74,009.10

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Solution

The fourth proportional to 162,801.30, 244,274.85 and 74,009.10 is: 111,046.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,801.30 : 244,274.85 = 74,009.10 : x
  2. Step 2: Convert to fraction form
    162,801.30/244,274.85 = 74,009.10/x
  3. Step 3: Cross multiply
    162,801.30x = 244,274.85 × 74,009.10
  4. Step 4: Simplify right side
    162,801.30x = 18,078,561,801.14
  5. Step 5: Solve for x
    x = 18,078,561,801.14/162,801.30
  6. Step 6: Final answer
    x = 111,046.79

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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.