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Finding the Fourth Proportional to 162,605.61, 243,592.79 and 119,833.36

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Solution

The fourth proportional to 162,605.61, 243,592.79 and 119,833.36 is: 179,517.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,605.61 : 243,592.79 = 119,833.36 : x
  2. Step 2: Convert to fraction form
    162,605.61/243,592.79 = 119,833.36/x
  3. Step 3: Cross multiply
    162,605.61x = 243,592.79 × 119,833.36
  4. Step 4: Simplify right side
    162,605.61x = 29,190,541,289.33
  5. Step 5: Solve for x
    x = 29,190,541,289.33/162,605.61
  6. Step 6: Final answer
    x = 179,517.43

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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.