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Finding the Fourth Proportional to 181,361.10, 271,713.60 and 155,117.10

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Solution

The fourth proportional to 181,361.10, 271,713.60 and 155,117.10 is: 232,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,361.10 : 271,713.60 = 155,117.10 : x
  2. Step 2: Convert to fraction form
    181,361.10/271,713.60 = 155,117.10/x
  3. Step 3: Cross multiply
    181,361.10x = 271,713.60 × 155,117.10
  4. Step 4: Simplify right side
    181,361.10x = 42,147,425,662.56
  5. Step 5: Solve for x
    x = 42,147,425,662.56/181,361.10
  6. Step 6: Final answer
    x = 232,395.07

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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.