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Finding the Fourth Proportional to 162,801.90, 244,129.95 and 74,009.70

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Solution

The fourth proportional to 162,801.90, 244,129.95 and 74,009.70 is: 110,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,801.90 : 244,129.95 = 74,009.70 : x
  2. Step 2: Convert to fraction form
    162,801.90/244,129.95 = 74,009.70/x
  3. Step 3: Cross multiply
    162,801.90x = 244,129.95 × 74,009.70
  4. Step 4: Simplify right side
    162,801.90x = 18,067,984,360.52
  5. Step 5: Solve for x
    x = 18,067,984,360.52/162,801.90
  6. Step 6: Final answer
    x = 110,981.41

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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.