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Finding the Fourth Proportional to 169,781.64, 254,584.98 and 116,554.92

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Solution

The fourth proportional to 169,781.64, 254,584.98 and 116,554.92 is: 174,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,781.64 : 254,584.98 = 116,554.92 : x
  2. Step 2: Convert to fraction form
    169,781.64/254,584.98 = 116,554.92/x
  3. Step 3: Cross multiply
    169,781.64x = 254,584.98 × 116,554.92
  4. Step 4: Simplify right side
    169,781.64x = 29,673,131,977.10
  5. Step 5: Solve for x
    x = 29,673,131,977.10/169,781.64
  6. Step 6: Final answer
    x = 174,772.33

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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.