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Finding the Fourth Proportional to 271,892.68, 375,214.42 and 158,693.32

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Solution

The fourth proportional to 271,892.68, 375,214.42 and 158,693.32 is: 218,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,892.68 : 375,214.42 = 158,693.32 : x
  2. Step 2: Convert to fraction form
    271,892.68/375,214.42 = 158,693.32/x
  3. Step 3: Cross multiply
    271,892.68x = 375,214.42 × 158,693.32
  4. Step 4: Simplify right side
    271,892.68x = 59,544,022,021.67
  5. Step 5: Solve for x
    x = 59,544,022,021.67/271,892.68
  6. Step 6: Final answer
    x = 218,998.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.