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Finding the Fourth Proportional to 181,388.64, 271,287.12 and 161,538.12

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Solution

The fourth proportional to 181,388.64, 271,287.12 and 161,538.12 is: 241,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,388.64 : 271,287.12 = 161,538.12 : x
  2. Step 2: Convert to fraction form
    181,388.64/271,287.12 = 161,538.12/x
  3. Step 3: Cross multiply
    181,388.64x = 271,287.12 × 161,538.12
  4. Step 4: Simplify right side
    181,388.64x = 43,823,211,345.01
  5. Step 5: Solve for x
    x = 43,823,211,345.01/181,388.64
  6. Step 6: Final answer
    x = 241,598.43

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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.