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Finding the Fourth Proportional to 168,590.96, 232,679.89 and 100,610.80

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Solution

The fourth proportional to 168,590.96, 232,679.89 and 100,610.80 is: 138,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,590.96 : 232,679.89 = 100,610.80 : x
  2. Step 2: Convert to fraction form
    168,590.96/232,679.89 = 100,610.80/x
  3. Step 3: Cross multiply
    168,590.96x = 232,679.89 × 100,610.80
  4. Step 4: Simplify right side
    168,590.96x = 23,410,109,876.81
  5. Step 5: Solve for x
    x = 23,410,109,876.81/168,590.96
  6. Step 6: Final answer
    x = 138,857.44

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1.5x scale

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.