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Finding the Fourth Proportional to 168,616.10, 252,938.55 and 57,808.10

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Solution

The fourth proportional to 168,616.10, 252,938.55 and 57,808.10 is: 86,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,616.10 : 252,938.55 = 57,808.10 : x
  2. Step 2: Convert to fraction form
    168,616.10/252,938.55 = 57,808.10/x
  3. Step 3: Cross multiply
    168,616.10x = 252,938.55 × 57,808.10
  4. Step 4: Simplify right side
    168,616.10x = 14,621,896,992.26
  5. Step 5: Solve for x
    x = 14,621,896,992.26/168,616.10
  6. Step 6: Final answer
    x = 86,717.09

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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.