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Finding the Fourth Proportional to 168,386.54, 252,613.08 and 61,771.48

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Solution

The fourth proportional to 168,386.54, 252,613.08 and 61,771.48 is: 92,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,386.54 : 252,613.08 = 61,771.48 : x
  2. Step 2: Convert to fraction form
    168,386.54/252,613.08 = 61,771.48/x
  3. Step 3: Cross multiply
    168,386.54x = 252,613.08 × 61,771.48
  4. Step 4: Simplify right side
    168,386.54x = 15,604,283,187.43
  5. Step 5: Solve for x
    x = 15,604,283,187.43/168,386.54
  6. Step 6: Final answer
    x = 92,669.42

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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.