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Finding the Fourth Proportional to 226,920.72, 340,418.02 and 67,012.82

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Solution

The fourth proportional to 226,920.72, 340,418.02 and 67,012.82 is: 100,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,920.72 : 340,418.02 = 67,012.82 : x
  2. Step 2: Convert to fraction form
    226,920.72/340,418.02 = 67,012.82/x
  3. Step 3: Cross multiply
    226,920.72x = 340,418.02 × 67,012.82
  4. Step 4: Simplify right side
    226,920.72x = 22,812,372,182.53
  5. Step 5: Solve for x
    x = 22,812,372,182.53/226,920.72
  6. Step 6: Final answer
    x = 100,530.14

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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.