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Finding the Fourth Proportional to 168,513.85, 232,514.85 and 107,284.54

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Solution

The fourth proportional to 168,513.85, 232,514.85 and 107,284.54 is: 148,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,513.85 : 232,514.85 = 107,284.54 : x
  2. Step 2: Convert to fraction form
    168,513.85/232,514.85 = 107,284.54/x
  3. Step 3: Cross multiply
    168,513.85x = 232,514.85 × 107,284.54
  4. Step 4: Simplify right side
    168,513.85x = 24,945,248,725.42
  5. Step 5: Solve for x
    x = 24,945,248,725.42/168,513.85
  6. Step 6: Final answer
    x = 148,030.85

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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.