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Finding the Fourth Proportional to 169,578.90, 254,404.33 and 64,395.54

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Solution

The fourth proportional to 169,578.90, 254,404.33 and 64,395.54 is: 96,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,578.90 : 254,404.33 = 64,395.54 : x
  2. Step 2: Convert to fraction form
    169,578.90/254,404.33 = 64,395.54/x
  3. Step 3: Cross multiply
    169,578.90x = 254,404.33 × 64,395.54
  4. Step 4: Simplify right side
    169,578.90x = 16,382,504,208.69
  5. Step 5: Solve for x
    x = 16,382,504,208.69/169,578.90
  6. Step 6: Final answer
    x = 96,606.97

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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.