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Finding the Fourth Proportional to 162,238.60, 243,314.70 and 49,918.60

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Solution

The fourth proportional to 162,238.60, 243,314.70 and 49,918.60 is: 74,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,238.60 : 243,314.70 = 49,918.60 : x
  2. Step 2: Convert to fraction form
    162,238.60/243,314.70 = 49,918.60/x
  3. Step 3: Cross multiply
    162,238.60x = 243,314.70 × 49,918.60
  4. Step 4: Simplify right side
    162,238.60x = 12,145,929,183.42
  5. Step 5: Solve for x
    x = 12,145,929,183.42/162,238.60
  6. Step 6: Final answer
    x = 74,864.61

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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.