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Finding the Fourth Proportional to 68,442.94, 94,399.18 and 58,898.88

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Solution

The fourth proportional to 68,442.94, 94,399.18 and 58,898.88 is: 81,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,442.94 : 94,399.18 = 58,898.88 : x
  2. Step 2: Convert to fraction form
    68,442.94/94,399.18 = 58,898.88/x
  3. Step 3: Cross multiply
    68,442.94x = 94,399.18 × 58,898.88
  4. Step 4: Simplify right side
    68,442.94x = 5,560,006,267.33
  5. Step 5: Solve for x
    x = 5,560,006,267.33/68,442.94
  6. Step 6: Final answer
    x = 81,235.65

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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.