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Finding the Fourth Proportional to 101,252.88, 139,694.76 and 58,795.92

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Solution

The fourth proportional to 101,252.88, 139,694.76 and 58,795.92 is: 81,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,252.88 : 139,694.76 = 58,795.92 : x
  2. Step 2: Convert to fraction form
    101,252.88/139,694.76 = 58,795.92/x
  3. Step 3: Cross multiply
    101,252.88x = 139,694.76 × 58,795.92
  4. Step 4: Simplify right side
    101,252.88x = 8,213,481,933.38
  5. Step 5: Solve for x
    x = 8,213,481,933.38/101,252.88
  6. Step 6: Final answer
    x = 81,118.50

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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.