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Finding the Fourth Proportional to 168,371.99, 252,627.24 and 123,621.86

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Solution

The fourth proportional to 168,371.99, 252,627.24 and 123,621.86 is: 185,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,371.99 : 252,627.24 = 123,621.86 : x
  2. Step 2: Convert to fraction form
    168,371.99/252,627.24 = 123,621.86/x
  3. Step 3: Cross multiply
    168,371.99x = 252,627.24 × 123,621.86
  4. Step 4: Simplify right side
    168,371.99x = 31,230,249,295.47
  5. Step 5: Solve for x
    x = 31,230,249,295.47/168,371.99
  6. Step 6: Final answer
    x = 185,483.64

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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.