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Finding the Fourth Proportional to 162,914.20, 244,371.30 and 136,670.20

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Solution

The fourth proportional to 162,914.20, 244,371.30 and 136,670.20 is: 205,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,914.20 : 244,371.30 = 136,670.20 : x
  2. Step 2: Convert to fraction form
    162,914.20/244,371.30 = 136,670.20/x
  3. Step 3: Cross multiply
    162,914.20x = 244,371.30 × 136,670.20
  4. Step 4: Simplify right side
    162,914.20x = 33,398,274,445.26
  5. Step 5: Solve for x
    x = 33,398,274,445.26/162,914.20
  6. Step 6: Final answer
    x = 205,005.30

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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.