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Finding the Fourth Proportional to 263,399.52, 394,976.10 and 94,897.68

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Solution

The fourth proportional to 263,399.52, 394,976.10 and 94,897.68 is: 142,302.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,399.52 : 394,976.10 = 94,897.68 : x
  2. Step 2: Convert to fraction form
    263,399.52/394,976.10 = 94,897.68/x
  3. Step 3: Cross multiply
    263,399.52x = 394,976.10 × 94,897.68
  4. Step 4: Simplify right side
    263,399.52x = 37,482,315,545.45
  5. Step 5: Solve for x
    x = 37,482,315,545.45/263,399.52
  6. Step 6: Final answer
    x = 142,302.14

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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.