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Finding the Fourth Proportional to 181,097.43, 271,930.47 and 153,380.85

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Solution

The fourth proportional to 181,097.43, 271,930.47 and 153,380.85 is: 230,312.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,097.43 : 271,930.47 = 153,380.85 : x
  2. Step 2: Convert to fraction form
    181,097.43/271,930.47 = 153,380.85/x
  3. Step 3: Cross multiply
    181,097.43x = 271,930.47 × 153,380.85
  4. Step 4: Simplify right side
    181,097.43x = 41,708,926,629.50
  5. Step 5: Solve for x
    x = 41,708,926,629.50/181,097.43
  6. Step 6: Final answer
    x = 230,312.08

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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.