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Finding the Fourth Proportional to 70,951.02, 97,926.59 and 40,757.05

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Solution

The fourth proportional to 70,951.02, 97,926.59 and 40,757.05 is: 56,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,951.02 : 97,926.59 = 40,757.05 : x
  2. Step 2: Convert to fraction form
    70,951.02/97,926.59 = 40,757.05/x
  3. Step 3: Cross multiply
    70,951.02x = 97,926.59 × 40,757.05
  4. Step 4: Simplify right side
    70,951.02x = 3,991,198,924.96
  5. Step 5: Solve for x
    x = 3,991,198,924.96/70,951.02
  6. Step 6: Final answer
    x = 56,252.88

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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.