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Finding the Fourth Proportional to 169,910.47, 234,388.11 and 101,894.77

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Solution

The fourth proportional to 169,910.47, 234,388.11 and 101,894.77 is: 140,561.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,910.47 : 234,388.11 = 101,894.77 : x
  2. Step 2: Convert to fraction form
    169,910.47/234,388.11 = 101,894.77/x
  3. Step 3: Cross multiply
    169,910.47x = 234,388.11 × 101,894.77
  4. Step 4: Simplify right side
    169,910.47x = 23,882,922,559.18
  5. Step 5: Solve for x
    x = 23,882,922,559.18/169,910.47
  6. Step 6: Final answer
    x = 140,561.81

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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.