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Finding the Fourth Proportional to 299,246.20, 448,869.30 and 133,034.20

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Solution

The fourth proportional to 299,246.20, 448,869.30 and 133,034.20 is: 199,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,246.20 : 448,869.30 = 133,034.20 : x
  2. Step 2: Convert to fraction form
    299,246.20/448,869.30 = 133,034.20/x
  3. Step 3: Cross multiply
    299,246.20x = 448,869.30 × 133,034.20
  4. Step 4: Simplify right side
    299,246.20x = 59,714,968,230.06
  5. Step 5: Solve for x
    x = 59,714,968,230.06/299,246.20
  6. Step 6: Final answer
    x = 199,551.30

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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.