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Finding the Fourth Proportional to 299,096.20, 448,729.04 and 121,730.52

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Solution

The fourth proportional to 299,096.20, 448,729.04 and 121,730.52 is: 182,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,096.20 : 448,729.04 = 121,730.52 : x
  2. Step 2: Convert to fraction form
    299,096.20/448,729.04 = 121,730.52/x
  3. Step 3: Cross multiply
    299,096.20x = 448,729.04 × 121,730.52
  4. Step 4: Simplify right side
    299,096.20x = 54,624,019,378.30
  5. Step 5: Solve for x
    x = 54,624,019,378.30/299,096.20
  6. Step 6: Final answer
    x = 182,630.27

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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.