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Finding the Fourth Proportional to 168,870, 233,020.44 and 93,408.24

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Solution

The fourth proportional to 168,870, 233,020.44 and 93,408.24 is: 128,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,870 : 233,020.44 = 93,408.24 : x
  2. Step 2: Convert to fraction form
    168,870/233,020.44 = 93,408.24/x
  3. Step 3: Cross multiply
    168,870x = 233,020.44 × 93,408.24
  4. Step 4: Simplify right side
    168,870x = 21,766,029,184.43
  5. Step 5: Solve for x
    x = 21,766,029,184.43/168,870
  6. Step 6: Final answer
    x = 128,892.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.