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Finding the Fourth Proportional to 79,727.94, 119,524.01 and 35,330.49

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Solution

The fourth proportional to 79,727.94, 119,524.01 and 35,330.49 is: 52,965.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,727.94 : 119,524.01 = 35,330.49 : x
  2. Step 2: Convert to fraction form
    79,727.94/119,524.01 = 35,330.49/x
  3. Step 3: Cross multiply
    79,727.94x = 119,524.01 × 35,330.49
  4. Step 4: Simplify right side
    79,727.94x = 4,222,841,663.41
  5. Step 5: Solve for x
    x = 4,222,841,663.41/79,727.94
  6. Step 6: Final answer
    x = 52,965.64

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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.