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Finding the Fourth Proportional to 192,692.32, 265,946.90 and 132,213.06

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Solution

The fourth proportional to 192,692.32, 265,946.90 and 132,213.06 is: 182,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,692.32 : 265,946.90 = 132,213.06 : x
  2. Step 2: Convert to fraction form
    192,692.32/265,946.90 = 132,213.06/x
  3. Step 3: Cross multiply
    192,692.32x = 265,946.90 × 132,213.06
  4. Step 4: Simplify right side
    192,692.32x = 35,161,652,785.45
  5. Step 5: Solve for x
    x = 35,161,652,785.45/192,692.32
  6. Step 6: Final answer
    x = 182,475.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.