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Finding the Fourth Proportional to 106,616.60, 147,129.96 and 58,868.92

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Solution

The fourth proportional to 106,616.60, 147,129.96 and 58,868.92 is: 81,238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,616.60 : 147,129.96 = 58,868.92 : x
  2. Step 2: Convert to fraction form
    106,616.60/147,129.96 = 58,868.92/x
  3. Step 3: Cross multiply
    106,616.60x = 147,129.96 × 58,868.92
  4. Step 4: Simplify right side
    106,616.60x = 8,661,381,844.84
  5. Step 5: Solve for x
    x = 8,661,381,844.84/106,616.60
  6. Step 6: Final answer
    x = 81,238.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.