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Finding the Fourth Proportional to 164,443.32, 226,932.08 and 88,991.84

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Solution

The fourth proportional to 164,443.32, 226,932.08 and 88,991.84 is: 122,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,443.32 : 226,932.08 = 88,991.84 : x
  2. Step 2: Convert to fraction form
    164,443.32/226,932.08 = 88,991.84/x
  3. Step 3: Cross multiply
    164,443.32x = 226,932.08 × 88,991.84
  4. Step 4: Simplify right side
    164,443.32x = 20,195,103,354.23
  5. Step 5: Solve for x
    x = 20,195,103,354.23/164,443.32
  6. Step 6: Final answer
    x = 122,808.90

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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.