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Finding the Fourth Proportional to 240,439.68, 360,692.34 and 100,165.52

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Solution

The fourth proportional to 240,439.68, 360,692.34 and 100,165.52 is: 150,261.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,439.68 : 360,692.34 = 100,165.52 : x
  2. Step 2: Convert to fraction form
    240,439.68/360,692.34 = 100,165.52/x
  3. Step 3: Cross multiply
    240,439.68x = 360,692.34 × 100,165.52
  4. Step 4: Simplify right side
    240,439.68x = 36,128,935,796.12
  5. Step 5: Solve for x
    x = 36,128,935,796.12/240,439.68
  6. Step 6: Final answer
    x = 150,261.95

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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.