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Finding the Fourth Proportional to 168,404.48, 232,403.81 and 91,928.11

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Solution

The fourth proportional to 168,404.48, 232,403.81 and 91,928.11 is: 126,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,404.48 : 232,403.81 = 91,928.11 : x
  2. Step 2: Convert to fraction form
    168,404.48/232,403.81 = 91,928.11/x
  3. Step 3: Cross multiply
    168,404.48x = 232,403.81 × 91,928.11
  4. Step 4: Simplify right side
    168,404.48x = 21,364,441,388.44
  5. Step 5: Solve for x
    x = 21,364,441,388.44/168,404.48
  6. Step 6: Final answer
    x = 126,863.85

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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.