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Finding the Fourth Proportional to 101,265.84, 139,745.16 and 58,824.72

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Solution

The fourth proportional to 101,265.84, 139,745.16 and 58,824.72 is: 81,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,265.84 : 139,745.16 = 58,824.72 : x
  2. Step 2: Convert to fraction form
    101,265.84/139,745.16 = 58,824.72/x
  3. Step 3: Cross multiply
    101,265.84x = 139,745.16 × 58,824.72
  4. Step 4: Simplify right side
    101,265.84x = 8,220,469,908.36
  5. Step 5: Solve for x
    x = 8,220,469,908.36/101,265.84
  6. Step 6: Final answer
    x = 81,177.13

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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.