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Finding the Fourth Proportional to 168,461.94, 232,475.72 and 91,980.81

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Solution

The fourth proportional to 168,461.94, 232,475.72 and 91,980.81 is: 126,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,461.94 : 232,475.72 = 91,980.81 : x
  2. Step 2: Convert to fraction form
    168,461.94/232,475.72 = 91,980.81/x
  3. Step 3: Cross multiply
    168,461.94x = 232,475.72 × 91,980.81
  4. Step 4: Simplify right side
    168,461.94x = 21,383,304,434.58
  5. Step 5: Solve for x
    x = 21,383,304,434.58/168,461.94
  6. Step 6: Final answer
    x = 126,932.55

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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.