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Finding the Fourth Proportional to 104,873.36, 144,583.72 and 101,611.92

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Solution

The fourth proportional to 104,873.36, 144,583.72 and 101,611.92 is: 140,087.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,873.36 : 144,583.72 = 101,611.92 : x
  2. Step 2: Convert to fraction form
    104,873.36/144,583.72 = 101,611.92/x
  3. Step 3: Cross multiply
    104,873.36x = 144,583.72 × 101,611.92
  4. Step 4: Simplify right side
    104,873.36x = 14,691,429,389.94
  5. Step 5: Solve for x
    x = 14,691,429,389.94/104,873.36
  6. Step 6: Final answer
    x = 140,087.33

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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.