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Finding the Fourth Proportional to 238,296.33, 357,495.93 and 80,521.29

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Solution

The fourth proportional to 238,296.33, 357,495.93 and 80,521.29 is: 120,799.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,296.33 : 357,495.93 = 80,521.29 : x
  2. Step 2: Convert to fraction form
    238,296.33/357,495.93 = 80,521.29/x
  3. Step 3: Cross multiply
    238,296.33x = 357,495.93 × 80,521.29
  4. Step 4: Simplify right side
    238,296.33x = 28,786,033,453.35
  5. Step 5: Solve for x
    x = 28,786,033,453.35/238,296.33
  6. Step 6: Final answer
    x = 120,799.32

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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.