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Finding the Fourth Proportional to 179,692.40, 269,182.20 and 157,530.80

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Solution

The fourth proportional to 179,692.40, 269,182.20 and 157,530.80 is: 235,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,692.40 : 269,182.20 = 157,530.80 : x
  2. Step 2: Convert to fraction form
    179,692.40/269,182.20 = 157,530.80/x
  3. Step 3: Cross multiply
    179,692.40x = 269,182.20 × 157,530.80
  4. Step 4: Simplify right side
    179,692.40x = 42,404,487,311.76
  5. Step 5: Solve for x
    x = 42,404,487,311.76/179,692.40
  6. Step 6: Final answer
    x = 235,983.76

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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.