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Finding the Fourth Proportional to 296,243.28, 408,805.56 and 168,959.88

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Solution

The fourth proportional to 296,243.28, 408,805.56 and 168,959.88 is: 233,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,243.28 : 408,805.56 = 168,959.88 : x
  2. Step 2: Convert to fraction form
    296,243.28/408,805.56 = 168,959.88/x
  3. Step 3: Cross multiply
    296,243.28x = 408,805.56 × 168,959.88
  4. Step 4: Simplify right side
    296,243.28x = 69,071,738,360.93
  5. Step 5: Solve for x
    x = 69,071,738,360.93/296,243.28
  6. Step 6: Final answer
    x = 233,158.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.