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Finding the Fourth Proportional to 162,162.60, 243,243.89 and 73,414.14

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Solution

The fourth proportional to 162,162.60, 243,243.89 and 73,414.14 is: 110,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,162.60 : 243,243.89 = 73,414.14 : x
  2. Step 2: Convert to fraction form
    162,162.60/243,243.89 = 73,414.14/x
  3. Step 3: Cross multiply
    162,162.60x = 243,243.89 × 73,414.14
  4. Step 4: Simplify right side
    162,162.60x = 17,857,540,994.60
  5. Step 5: Solve for x
    x = 17,857,540,994.60/162,162.60
  6. Step 6: Final answer
    x = 110,121.21

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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.