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Finding the Fourth Proportional to 162,694.60, 243,926.70 and 62,816.20

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Solution

The fourth proportional to 162,694.60, 243,926.70 and 62,816.20 is: 94,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,694.60 : 243,926.70 = 62,816.20 : x
  2. Step 2: Convert to fraction form
    162,694.60/243,926.70 = 62,816.20/x
  3. Step 3: Cross multiply
    162,694.60x = 243,926.70 × 62,816.20
  4. Step 4: Simplify right side
    162,694.60x = 15,322,548,372.54
  5. Step 5: Solve for x
    x = 15,322,548,372.54/162,694.60
  6. Step 6: Final answer
    x = 94,179.82

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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.