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Finding the Fourth Proportional to 161,134.60, 241,410.30 and 98,732.20

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Solution

The fourth proportional to 161,134.60, 241,410.30 and 98,732.20 is: 147,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,134.60 : 241,410.30 = 98,732.20 : x
  2. Step 2: Convert to fraction form
    161,134.60/241,410.30 = 98,732.20/x
  3. Step 3: Cross multiply
    161,134.60x = 241,410.30 × 98,732.20
  4. Step 4: Simplify right side
    161,134.60x = 23,834,970,021.66
  5. Step 5: Solve for x
    x = 23,834,970,021.66/161,134.60
  6. Step 6: Final answer
    x = 147,919.63

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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.