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Finding the Fourth Proportional to 229,719.01, 344,578.53 and 71,959.75

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Solution

The fourth proportional to 229,719.01, 344,578.53 and 71,959.75 is: 107,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,719.01 : 344,578.53 = 71,959.75 : x
  2. Step 2: Convert to fraction form
    229,719.01/344,578.53 = 71,959.75/x
  3. Step 3: Cross multiply
    229,719.01x = 344,578.53 × 71,959.75
  4. Step 4: Simplify right side
    229,719.01x = 24,795,784,874.17
  5. Step 5: Solve for x
    x = 24,795,784,874.17/229,719.01
  6. Step 6: Final answer
    x = 107,939.63

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Similar ratio
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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.