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Finding the Fourth Proportional to 239,950.41, 359,888.69 and 80,029.17

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Solution

The fourth proportional to 239,950.41, 359,888.69 and 80,029.17 is: 120,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,950.41 : 359,888.69 = 80,029.17 : x
  2. Step 2: Convert to fraction form
    239,950.41/359,888.69 = 80,029.17/x
  3. Step 3: Cross multiply
    239,950.41x = 359,888.69 × 80,029.17
  4. Step 4: Simplify right side
    239,950.41x = 28,801,592,752.94
  5. Step 5: Solve for x
    x = 28,801,592,752.94/239,950.41
  6. Step 6: Final answer
    x = 120,031.44

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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.