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Finding the Fourth Proportional to 181,314.40, 271,712.40 and 133,556.80

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Solution

The fourth proportional to 181,314.40, 271,712.40 and 133,556.80 is: 200,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,314.40 : 271,712.40 = 133,556.80 : x
  2. Step 2: Convert to fraction form
    181,314.40/271,712.40 = 133,556.80/x
  3. Step 3: Cross multiply
    181,314.40x = 271,712.40 × 133,556.80
  4. Step 4: Simplify right side
    181,314.40x = 36,289,038,664.32
  5. Step 5: Solve for x
    x = 36,289,038,664.32/181,314.40
  6. Step 6: Final answer
    x = 200,144.27

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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.