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Finding the Fourth Proportional to 400,043.52, 600,168.96 and 150,727.68

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Solution

The fourth proportional to 400,043.52, 600,168.96 and 150,727.68 is: 226,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,043.52 : 600,168.96 = 150,727.68 : x
  2. Step 2: Convert to fraction form
    400,043.52/600,168.96 = 150,727.68/x
  3. Step 3: Cross multiply
    400,043.52x = 600,168.96 × 150,727.68
  4. Step 4: Simplify right side
    400,043.52x = 90,462,074,948.81
  5. Step 5: Solve for x
    x = 90,462,074,948.81/400,043.52
  6. Step 6: Final answer
    x = 226,130.58

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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.