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Finding the Fourth Proportional to 169,666.12, 254,489.82 and 69,801.04

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Solution

The fourth proportional to 169,666.12, 254,489.82 and 69,801.04 is: 104,697.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,666.12 : 254,489.82 = 69,801.04 : x
  2. Step 2: Convert to fraction form
    169,666.12/254,489.82 = 69,801.04/x
  3. Step 3: Cross multiply
    169,666.12x = 254,489.82 × 69,801.04
  4. Step 4: Simplify right side
    169,666.12x = 17,763,654,105.41
  5. Step 5: Solve for x
    x = 17,763,654,105.41/169,666.12
  6. Step 6: Final answer
    x = 104,697.71

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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.