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Finding the Fourth Proportional to 168,232.61, 252,130.92 and 68,338.31

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Solution

The fourth proportional to 168,232.61, 252,130.92 and 68,338.31 is: 102,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,232.61 : 252,130.92 = 68,338.31 : x
  2. Step 2: Convert to fraction form
    168,232.61/252,130.92 = 68,338.31/x
  3. Step 3: Cross multiply
    168,232.61x = 252,130.92 × 68,338.31
  4. Step 4: Simplify right side
    168,232.61x = 17,230,199,710.89
  5. Step 5: Solve for x
    x = 17,230,199,710.89/168,232.61
  6. Step 6: Final answer
    x = 102,418.91

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1.5x scale

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.