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Finding the Fourth Proportional to 229,255.80, 343,757.70 and 79,482.72

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Solution

The fourth proportional to 229,255.80, 343,757.70 and 79,482.72 is: 119,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,255.80 : 343,757.70 = 79,482.72 : x
  2. Step 2: Convert to fraction form
    229,255.80/343,757.70 = 79,482.72/x
  3. Step 3: Cross multiply
    229,255.80x = 343,757.70 × 79,482.72
  4. Step 4: Simplify right side
    229,255.80x = 27,322,797,016.94
  5. Step 5: Solve for x
    x = 27,322,797,016.94/229,255.80
  6. Step 6: Final answer
    x = 119,180.40

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1.5x scale

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.