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Finding the Fourth Proportional to 239,996.52, 360,220.77 and 121,752.72

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Solution

The fourth proportional to 239,996.52, 360,220.77 and 121,752.72 is: 182,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,996.52 : 360,220.77 = 121,752.72 : x
  2. Step 2: Convert to fraction form
    239,996.52/360,220.77 = 121,752.72/x
  3. Step 3: Cross multiply
    239,996.52x = 360,220.77 × 121,752.72
  4. Step 4: Simplify right side
    239,996.52x = 43,857,858,547.99
  5. Step 5: Solve for x
    x = 43,857,858,547.99/239,996.52
  6. Step 6: Final answer
    x = 182,743.73

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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.