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Finding the Fourth Proportional to 163,637.54, 225,842.82 and 136,737.44

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Solution

The fourth proportional to 163,637.54, 225,842.82 and 136,737.44 is: 188,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,637.54 : 225,842.82 = 136,737.44 : x
  2. Step 2: Convert to fraction form
    163,637.54/225,842.82 = 136,737.44/x
  3. Step 3: Cross multiply
    163,637.54x = 225,842.82 × 136,737.44
  4. Step 4: Simplify right side
    163,637.54x = 30,881,169,049.18
  5. Step 5: Solve for x
    x = 30,881,169,049.18/163,637.54
  6. Step 6: Final answer
    x = 188,716.90

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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.