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Finding the Fourth Proportional to 181,176.40, 271,505.40 and 133,418.80

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Solution

The fourth proportional to 181,176.40, 271,505.40 and 133,418.80 is: 199,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,176.40 : 271,505.40 = 133,418.80 : x
  2. Step 2: Convert to fraction form
    181,176.40/271,505.40 = 133,418.80/x
  3. Step 3: Cross multiply
    181,176.40x = 271,505.40 × 133,418.80
  4. Step 4: Simplify right side
    181,176.40x = 36,223,924,661.52
  5. Step 5: Solve for x
    x = 36,223,924,661.52/181,176.40
  6. Step 6: Final answer
    x = 199,937.32

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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.