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Finding the Fourth Proportional to 71,900.64, 107,897.04 and 34,944.48

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Solution

The fourth proportional to 71,900.64, 107,897.04 and 34,944.48 is: 52,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,900.64 : 107,897.04 = 34,944.48 : x
  2. Step 2: Convert to fraction form
    71,900.64/107,897.04 = 34,944.48/x
  3. Step 3: Cross multiply
    71,900.64x = 107,897.04 × 34,944.48
  4. Step 4: Simplify right side
    71,900.64x = 3,770,405,956.34
  5. Step 5: Solve for x
    x = 3,770,405,956.34/71,900.64
  6. Step 6: Final answer
    x = 52,439.12

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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.