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Finding the Fourth Proportional to 262,346.88, 393,678 and 93,853.92

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Solution

The fourth proportional to 262,346.88, 393,678 and 93,853.92 is: 140,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,346.88 : 393,678 = 93,853.92 : x
  2. Step 2: Convert to fraction form
    262,346.88/393,678 = 93,853.92/x
  3. Step 3: Cross multiply
    262,346.88x = 393,678 × 93,853.92
  4. Step 4: Simplify right side
    262,346.88x = 36,948,223,517.76
  5. Step 5: Solve for x
    x = 36,948,223,517.76/262,346.88
  6. Step 6: Final answer
    x = 140,837.29

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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.