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Finding the Fourth Proportional to 239,937.65, 360,127.88 and 121,692.03

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Solution

The fourth proportional to 239,937.65, 360,127.88 and 121,692.03 is: 182,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,937.65 : 360,127.88 = 121,692.03 : x
  2. Step 2: Convert to fraction form
    239,937.65/360,127.88 = 121,692.03/x
  3. Step 3: Cross multiply
    239,937.65x = 360,127.88 × 121,692.03
  4. Step 4: Simplify right side
    239,937.65x = 43,824,691,274.20
  5. Step 5: Solve for x
    x = 43,824,691,274.20/239,937.65
  6. Step 6: Final answer
    x = 182,650.33

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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.