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Finding the Fourth Proportional to 68,337.84, 94,303.92 and 40,042.92

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Solution

The fourth proportional to 68,337.84, 94,303.92 and 40,042.92 is: 55,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,337.84 : 94,303.92 = 40,042.92 : x
  2. Step 2: Convert to fraction form
    68,337.84/94,303.92 = 40,042.92/x
  3. Step 3: Cross multiply
    68,337.84x = 94,303.92 × 40,042.92
  4. Step 4: Simplify right side
    68,337.84x = 3,776,204,324.25
  5. Step 5: Solve for x
    x = 3,776,204,324.25/68,337.84
  6. Step 6: Final answer
    x = 55,257.88

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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.