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Finding the Fourth Proportional to 168,058.77, 252,087.47 and 68,218.12

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Solution

The fourth proportional to 168,058.77, 252,087.47 and 68,218.12 is: 102,326.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,058.77 : 252,087.47 = 68,218.12 : x
  2. Step 2: Convert to fraction form
    168,058.77/252,087.47 = 68,218.12/x
  3. Step 3: Cross multiply
    168,058.77x = 252,087.47 × 68,218.12
  4. Step 4: Simplify right side
    168,058.77x = 17,196,933,278.96
  5. Step 5: Solve for x
    x = 17,196,933,278.96/168,058.77
  6. Step 6: Final answer
    x = 102,326.90

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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.