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Finding the Fourth Proportional to 238,521.24, 357,798.42 and 80,696.34

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Solution

The fourth proportional to 238,521.24, 357,798.42 and 80,696.34 is: 121,050.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,521.24 : 357,798.42 = 80,696.34 : x
  2. Step 2: Convert to fraction form
    238,521.24/357,798.42 = 80,696.34/x
  3. Step 3: Cross multiply
    238,521.24x = 357,798.42 × 80,696.34
  4. Step 4: Simplify right side
    238,521.24x = 28,873,022,951.78
  5. Step 5: Solve for x
    x = 28,873,022,951.78/238,521.24
  6. Step 6: Final answer
    x = 121,050.11

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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.