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Finding the Fourth Proportional to 230,369.28, 345,530.56 and 61,867.71

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Solution

The fourth proportional to 230,369.28, 345,530.56 and 61,867.71 is: 92,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,369.28 : 345,530.56 = 61,867.71 : x
  2. Step 2: Convert to fraction form
    230,369.28/345,530.56 = 61,867.71/x
  3. Step 3: Cross multiply
    230,369.28x = 345,530.56 × 61,867.71
  4. Step 4: Simplify right side
    230,369.28x = 21,377,184,333.87
  5. Step 5: Solve for x
    x = 21,377,184,333.87/230,369.28
  6. Step 6: Final answer
    x = 92,795.29

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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.