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Finding the Fourth Proportional to 163,881.77, 226,104.03 and 99,376.88

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Solution

The fourth proportional to 163,881.77, 226,104.03 and 99,376.88 is: 137,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,881.77 : 226,104.03 = 99,376.88 : x
  2. Step 2: Convert to fraction form
    163,881.77/226,104.03 = 99,376.88/x
  3. Step 3: Cross multiply
    163,881.77x = 226,104.03 × 99,376.88
  4. Step 4: Simplify right side
    163,881.77x = 22,469,511,926.31
  5. Step 5: Solve for x
    x = 22,469,511,926.31/163,881.77
  6. Step 6: Final answer
    x = 137,108.07

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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.