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Finding the Fourth Proportional to 251,990.49, 377,976.29 and 62,451.48

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Solution

The fourth proportional to 251,990.49, 377,976.29 and 62,451.48 is: 93,674.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,990.49 : 377,976.29 = 62,451.48 : x
  2. Step 2: Convert to fraction form
    251,990.49/377,976.29 = 62,451.48/x
  3. Step 3: Cross multiply
    251,990.49x = 377,976.29 × 62,451.48
  4. Step 4: Simplify right side
    251,990.49x = 23,605,178,403.15
  5. Step 5: Solve for x
    x = 23,605,178,403.15/251,990.49
  6. Step 6: Final answer
    x = 93,674.88

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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.