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Finding the Fourth Proportional to 168,460.85, 232,476.47 and 91,980.61

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Solution

The fourth proportional to 168,460.85, 232,476.47 and 91,980.61 is: 126,933.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,460.85 : 232,476.47 = 91,980.61 : x
  2. Step 2: Convert to fraction form
    168,460.85/232,476.47 = 91,980.61/x
  3. Step 3: Cross multiply
    168,460.85x = 232,476.47 × 91,980.61
  4. Step 4: Simplify right side
    168,460.85x = 21,383,327,521.25
  5. Step 5: Solve for x
    x = 21,383,327,521.25/168,460.85
  6. Step 6: Final answer
    x = 126,933.51

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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.