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Finding the Fourth Proportional to 366,871.24, 550,214.52 and 142,154.56

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Solution

The fourth proportional to 366,871.24, 550,214.52 and 142,154.56 is: 213,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,871.24 : 550,214.52 = 142,154.56 : x
  2. Step 2: Convert to fraction form
    366,871.24/550,214.52 = 142,154.56/x
  3. Step 3: Cross multiply
    366,871.24x = 550,214.52 × 142,154.56
  4. Step 4: Simplify right side
    366,871.24x = 78,215,502,996.21
  5. Step 5: Solve for x
    x = 78,215,502,996.21/366,871.24
  6. Step 6: Final answer
    x = 213,196.06

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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.