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Finding the Fourth Proportional to 240,439.94, 360,692.72 and 100,165.76

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Solution

The fourth proportional to 240,439.94, 360,692.72 and 100,165.76 is: 150,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,439.94 : 360,692.72 = 100,165.76 : x
  2. Step 2: Convert to fraction form
    240,439.94/360,692.72 = 100,165.76/x
  3. Step 3: Cross multiply
    240,439.94x = 360,692.72 × 100,165.76
  4. Step 4: Simplify right side
    240,439.94x = 36,129,060,425.27
  5. Step 5: Solve for x
    x = 36,129,060,425.27/240,439.94
  6. Step 6: Final answer
    x = 150,262.31

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1.5x scale

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.