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Finding the Fourth Proportional to 240,464.70, 360,729.72 and 100,190.52

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Solution

The fourth proportional to 240,464.70, 360,729.72 and 100,190.52 is: 150,299.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,464.70 : 360,729.72 = 100,190.52 : x
  2. Step 2: Convert to fraction form
    240,464.70/360,729.72 = 100,190.52/x
  3. Step 3: Cross multiply
    240,464.70x = 360,729.72 × 100,190.52
  4. Step 4: Simplify right side
    240,464.70x = 36,141,698,226.25
  5. Step 5: Solve for x
    x = 36,141,698,226.25/240,464.70
  6. Step 6: Final answer
    x = 150,299.39

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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.