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Finding the Fourth Proportional to 181,287.90, 271,349.56 and 96,836.90

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Solution

The fourth proportional to 181,287.90, 271,349.56 and 96,836.90 is: 144,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,287.90 : 271,349.56 = 96,836.90 : x
  2. Step 2: Convert to fraction form
    181,287.90/271,349.56 = 96,836.90/x
  3. Step 3: Cross multiply
    181,287.90x = 271,349.56 × 96,836.90
  4. Step 4: Simplify right side
    181,287.90x = 26,276,650,206.76
  5. Step 5: Solve for x
    x = 26,276,650,206.76/181,287.90
  6. Step 6: Final answer
    x = 144,944.31

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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.