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Finding the Fourth Proportional to 199,530, 299,344.32 and 59,288.04

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Solution

The fourth proportional to 199,530, 299,344.32 and 59,288.04 is: 88,946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,530 : 299,344.32 = 59,288.04 : x
  2. Step 2: Convert to fraction form
    199,530/299,344.32 = 59,288.04/x
  3. Step 3: Cross multiply
    199,530x = 299,344.32 × 59,288.04
  4. Step 4: Simplify right side
    199,530x = 17,747,538,017.93
  5. Step 5: Solve for x
    x = 17,747,538,017.93/199,530
  6. Step 6: Final answer
    x = 88,946.71

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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.