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Finding the Fourth Proportional to 162,714.20, 244,071.30 and 83,982.20

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Solution

The fourth proportional to 162,714.20, 244,071.30 and 83,982.20 is: 125,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,714.20 : 244,071.30 = 83,982.20 : x
  2. Step 2: Convert to fraction form
    162,714.20/244,071.30 = 83,982.20/x
  3. Step 3: Cross multiply
    162,714.20x = 244,071.30 × 83,982.20
  4. Step 4: Simplify right side
    162,714.20x = 20,497,644,730.86
  5. Step 5: Solve for x
    x = 20,497,644,730.86/162,714.20
  6. Step 6: Final answer
    x = 125,973.30

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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.