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Finding the Fourth Proportional to 150,692.30, 225,710.40 and 91,424.60

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Solution

The fourth proportional to 150,692.30, 225,710.40 and 91,424.60 is: 136,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,692.30 : 225,710.40 = 91,424.60 : x
  2. Step 2: Convert to fraction form
    150,692.30/225,710.40 = 91,424.60/x
  3. Step 3: Cross multiply
    150,692.30x = 225,710.40 × 91,424.60
  4. Step 4: Simplify right side
    150,692.30x = 20,635,483,035.84
  5. Step 5: Solve for x
    x = 20,635,483,035.84/150,692.30
  6. Step 6: Final answer
    x = 136,937.87

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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.