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Finding the Fourth Proportional to 229,259.20, 343,716.72 and 79,446.88

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Solution

The fourth proportional to 229,259.20, 343,716.72 and 79,446.88 is: 119,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,259.20 : 343,716.72 = 79,446.88 : x
  2. Step 2: Convert to fraction form
    229,259.20/343,716.72 = 79,446.88/x
  3. Step 3: Cross multiply
    229,259.20x = 343,716.72 × 79,446.88
  4. Step 4: Simplify right side
    229,259.20x = 27,307,221,007.83
  5. Step 5: Solve for x
    x = 27,307,221,007.83/229,259.20
  6. Step 6: Final answer
    x = 119,110.69

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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.