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Finding the Fourth Proportional to 162,610.44, 243,662.79 and 112,787.88

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Solution

The fourth proportional to 162,610.44, 243,662.79 and 112,787.88 is: 169,006.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,610.44 : 243,662.79 = 112,787.88 : x
  2. Step 2: Convert to fraction form
    162,610.44/243,662.79 = 112,787.88/x
  3. Step 3: Cross multiply
    162,610.44x = 243,662.79 × 112,787.88
  4. Step 4: Simplify right side
    162,610.44x = 27,482,209,518.99
  5. Step 5: Solve for x
    x = 27,482,209,518.99/162,610.44
  6. Step 6: Final answer
    x = 169,006.43

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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.