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Finding the Fourth Proportional to 193,067.52, 289,574.40 and 52,838.40

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Solution

The fourth proportional to 193,067.52, 289,574.40 and 52,838.40 is: 79,250.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,067.52 : 289,574.40 = 52,838.40 : x
  2. Step 2: Convert to fraction form
    193,067.52/289,574.40 = 52,838.40/x
  3. Step 3: Cross multiply
    193,067.52x = 289,574.40 × 52,838.40
  4. Step 4: Simplify right side
    193,067.52x = 15,300,647,976.96
  5. Step 5: Solve for x
    x = 15,300,647,976.96/193,067.52
  6. Step 6: Final answer
    x = 79,250.24

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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.