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Finding the Fourth Proportional to 101,316.80, 151,983.84 and 26,446.88

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Solution

The fourth proportional to 101,316.80, 151,983.84 and 26,446.88 is: 39,672.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,316.80 : 151,983.84 = 26,446.88 : x
  2. Step 2: Convert to fraction form
    101,316.80/151,983.84 = 26,446.88/x
  3. Step 3: Cross multiply
    101,316.80x = 151,983.84 × 26,446.88
  4. Step 4: Simplify right side
    101,316.80x = 4,019,498,378.42
  5. Step 5: Solve for x
    x = 4,019,498,378.42/101,316.80
  6. Step 6: Final answer
    x = 39,672.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.