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Finding the Fourth Proportional to 68,252.79, 94,187.43 and 38,040.87

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Solution

The fourth proportional to 68,252.79, 94,187.43 and 38,040.87 is: 52,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,252.79 : 94,187.43 = 38,040.87 : x
  2. Step 2: Convert to fraction form
    68,252.79/94,187.43 = 38,040.87/x
  3. Step 3: Cross multiply
    68,252.79x = 94,187.43 × 38,040.87
  4. Step 4: Simplify right side
    68,252.79x = 3,582,971,780.26
  5. Step 5: Solve for x
    x = 3,582,971,780.26/68,252.79
  6. Step 6: Final answer
    x = 52,495.61

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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.