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Finding the Fourth Proportional to 240,643.62, 360,892.50 and 100,369.44

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Solution

The fourth proportional to 240,643.62, 360,892.50 and 100,369.44 is: 150,523.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,643.62 : 360,892.50 = 100,369.44 : x
  2. Step 2: Convert to fraction form
    240,643.62/360,892.50 = 100,369.44/x
  3. Step 3: Cross multiply
    240,643.62x = 360,892.50 × 100,369.44
  4. Step 4: Simplify right side
    240,643.62x = 36,222,578,125.20
  5. Step 5: Solve for x
    x = 36,222,578,125.20/240,643.62
  6. Step 6: Final answer
    x = 150,523.74

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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.