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Finding the Fourth Proportional to 181,122.40, 271,424.40 and 133,364.80

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Solution

The fourth proportional to 181,122.40, 271,424.40 and 133,364.80 is: 199,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,122.40 : 271,424.40 = 133,364.80 : x
  2. Step 2: Convert to fraction form
    181,122.40/271,424.40 = 133,364.80/x
  3. Step 3: Cross multiply
    181,122.40x = 271,424.40 × 133,364.80
  4. Step 4: Simplify right side
    181,122.40x = 36,198,460,821.12
  5. Step 5: Solve for x
    x = 36,198,460,821.12/181,122.40
  6. Step 6: Final answer
    x = 199,856.34

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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.