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Finding the Fourth Proportional to 226,519.30, 340,041.30 and 121,543.30

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Solution

The fourth proportional to 226,519.30, 340,041.30 and 121,543.30 is: 182,455.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,519.30 : 340,041.30 = 121,543.30 : x
  2. Step 2: Convert to fraction form
    226,519.30/340,041.30 = 121,543.30/x
  3. Step 3: Cross multiply
    226,519.30x = 340,041.30 × 121,543.30
  4. Step 4: Simplify right side
    226,519.30x = 41,329,741,738.29
  5. Step 5: Solve for x
    x = 41,329,741,738.29/226,519.30
  6. Step 6: Final answer
    x = 182,455.72

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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.