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Finding the Fourth Proportional to 162,808.80, 244,286.10 and 74,016.60

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Solution

The fourth proportional to 162,808.80, 244,286.10 and 74,016.60 is: 111,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,808.80 : 244,286.10 = 74,016.60 : x
  2. Step 2: Convert to fraction form
    162,808.80/244,286.10 = 74,016.60/x
  3. Step 3: Cross multiply
    162,808.80x = 244,286.10 × 74,016.60
  4. Step 4: Simplify right side
    162,808.80x = 18,081,226,549.26
  5. Step 5: Solve for x
    x = 18,081,226,549.26/162,808.80
  6. Step 6: Final answer
    x = 111,058.04

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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.