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Finding the Fourth Proportional to 240,439.93, 360,692.70 and 100,165.75

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Solution

The fourth proportional to 240,439.93, 360,692.70 and 100,165.75 is: 150,262.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,439.93 : 360,692.70 = 100,165.75 : x
  2. Step 2: Convert to fraction form
    240,439.93/360,692.70 = 100,165.75/x
  3. Step 3: Cross multiply
    240,439.93x = 360,692.70 × 100,165.75
  4. Step 4: Simplify right side
    240,439.93x = 36,129,054,815.03
  5. Step 5: Solve for x
    x = 36,129,054,815.03/240,439.93
  6. Step 6: Final answer
    x = 150,262.29

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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.