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Finding the Fourth Proportional to 68,337.86, 94,301.66 and 42,843.21

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Solution

The fourth proportional to 68,337.86, 94,301.66 and 42,843.21 is: 59,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,337.86 : 94,301.66 = 42,843.21 : x
  2. Step 2: Convert to fraction form
    68,337.86/94,301.66 = 42,843.21/x
  3. Step 3: Cross multiply
    68,337.86x = 94,301.66 × 42,843.21
  4. Step 4: Simplify right side
    68,337.86x = 4,040,185,608.51
  5. Step 5: Solve for x
    x = 4,040,185,608.51/68,337.86
  6. Step 6: Final answer
    x = 59,120.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.