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Finding the Fourth Proportional to 181,049.40, 271,574.10 and 75,857.40

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Solution

The fourth proportional to 181,049.40, 271,574.10 and 75,857.40 is: 113,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,049.40 : 271,574.10 = 75,857.40 : x
  2. Step 2: Convert to fraction form
    181,049.40/271,574.10 = 75,857.40/x
  3. Step 3: Cross multiply
    181,049.40x = 271,574.10 × 75,857.40
  4. Step 4: Simplify right side
    181,049.40x = 20,600,905,133.34
  5. Step 5: Solve for x
    x = 20,600,905,133.34/181,049.40
  6. Step 6: Final answer
    x = 113,786.10

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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.