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Finding the Fourth Proportional to 168,843.16, 253,265.10 and 116,093.08

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Solution

The fourth proportional to 168,843.16, 253,265.10 and 116,093.08 is: 174,139.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,843.16 : 253,265.10 = 116,093.08 : x
  2. Step 2: Convert to fraction form
    168,843.16/253,265.10 = 116,093.08/x
  3. Step 3: Cross multiply
    168,843.16x = 253,265.10 × 116,093.08
  4. Step 4: Simplify right side
    168,843.16x = 29,402,325,515.51
  5. Step 5: Solve for x
    x = 29,402,325,515.51/168,843.16
  6. Step 6: Final answer
    x = 174,139.87

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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.