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Finding the Fourth Proportional to 229,226.55, 343,844.07 and 79,471.72

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Solution

The fourth proportional to 229,226.55, 343,844.07 and 79,471.72 is: 119,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,226.55 : 343,844.07 = 79,471.72 : x
  2. Step 2: Convert to fraction form
    229,226.55/343,844.07 = 79,471.72/x
  3. Step 3: Cross multiply
    229,226.55x = 343,844.07 × 79,471.72
  4. Step 4: Simplify right side
    229,226.55x = 27,325,879,654.70
  5. Step 5: Solve for x
    x = 27,325,879,654.70/229,226.55
  6. Step 6: Final answer
    x = 119,209.05

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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.