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Finding the Fourth Proportional to 226,715.40, 339,975.90 and 114,352.20

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Solution

The fourth proportional to 226,715.40, 339,975.90 and 114,352.20 is: 171,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,715.40 : 339,975.90 = 114,352.20 : x
  2. Step 2: Convert to fraction form
    226,715.40/339,975.90 = 114,352.20/x
  3. Step 3: Cross multiply
    226,715.40x = 339,975.90 × 114,352.20
  4. Step 4: Simplify right side
    226,715.40x = 38,876,992,111.98
  5. Step 5: Solve for x
    x = 38,876,992,111.98/226,715.40
  6. Step 6: Final answer
    x = 171,479.27

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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.