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Finding the Fourth Proportional to 238,351.26, 357,521.40 and 119,990.82

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Solution

The fourth proportional to 238,351.26, 357,521.40 and 119,990.82 is: 179,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,351.26 : 357,521.40 = 119,990.82 : x
  2. Step 2: Convert to fraction form
    238,351.26/357,521.40 = 119,990.82/x
  3. Step 3: Cross multiply
    238,351.26x = 357,521.40 × 119,990.82
  4. Step 4: Simplify right side
    238,351.26x = 42,899,285,953.55
  5. Step 5: Solve for x
    x = 42,899,285,953.55/238,351.26
  6. Step 6: Final answer
    x = 179,983.47

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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.