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Finding the Fourth Proportional to 169,588.62, 254,100.24 and 74,677.68

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Solution

The fourth proportional to 169,588.62, 254,100.24 and 74,677.68 is: 111,892.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,588.62 : 254,100.24 = 74,677.68 : x
  2. Step 2: Convert to fraction form
    169,588.62/254,100.24 = 74,677.68/x
  3. Step 3: Cross multiply
    169,588.62x = 254,100.24 × 74,677.68
  4. Step 4: Simplify right side
    169,588.62x = 18,975,616,410.64
  5. Step 5: Solve for x
    x = 18,975,616,410.64/169,588.62
  6. Step 6: Final answer
    x = 111,892.04

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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.