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Finding the Fourth Proportional to 325,153.54, 487,777.04 and 100,531.49

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Solution

The fourth proportional to 325,153.54, 487,777.04 and 100,531.49 is: 150,811.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,153.54 : 487,777.04 = 100,531.49 : x
  2. Step 2: Convert to fraction form
    325,153.54/487,777.04 = 100,531.49/x
  3. Step 3: Cross multiply
    325,153.54x = 487,777.04 × 100,531.49
  4. Step 4: Simplify right side
    325,153.54x = 49,036,950,054.44
  5. Step 5: Solve for x
    x = 49,036,950,054.44/325,153.54
  6. Step 6: Final answer
    x = 150,811.68

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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.