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Finding the Fourth Proportional to 70,394.17, 105,625.95 and 32,956.78

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Solution

The fourth proportional to 70,394.17, 105,625.95 and 32,956.78 is: 49,451.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,394.17 : 105,625.95 = 32,956.78 : x
  2. Step 2: Convert to fraction form
    70,394.17/105,625.95 = 32,956.78/x
  3. Step 3: Cross multiply
    70,394.17x = 105,625.95 × 32,956.78
  4. Step 4: Simplify right side
    70,394.17x = 3,481,091,196.44
  5. Step 5: Solve for x
    x = 3,481,091,196.44/70,394.17
  6. Step 6: Final answer
    x = 49,451.41

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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.