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Finding the Fourth Proportional to 251,605.45, 377,463.62 and 109,473.04

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Solution

The fourth proportional to 251,605.45, 377,463.62 and 109,473.04 is: 164,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,605.45 : 377,463.62 = 109,473.04 : x
  2. Step 2: Convert to fraction form
    251,605.45/377,463.62 = 109,473.04/x
  3. Step 3: Cross multiply
    251,605.45x = 377,463.62 × 109,473.04
  4. Step 4: Simplify right side
    251,605.45x = 41,322,089,970.80
  5. Step 5: Solve for x
    x = 41,322,089,970.80/251,605.45
  6. Step 6: Final answer
    x = 164,233.68

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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.