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Finding the Fourth Proportional to 168,460.35, 232,475.78 and 91,980.11

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Solution

The fourth proportional to 168,460.35, 232,475.78 and 91,980.11 is: 126,932.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,460.35 : 232,475.78 = 91,980.11 : x
  2. Step 2: Convert to fraction form
    168,460.35/232,475.78 = 91,980.11/x
  3. Step 3: Cross multiply
    168,460.35x = 232,475.78 × 91,980.11
  4. Step 4: Simplify right side
    168,460.35x = 21,383,147,816.74
  5. Step 5: Solve for x
    x = 21,383,147,816.74/168,460.35
  6. Step 6: Final answer
    x = 126,932.82

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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.