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Finding the Fourth Proportional to 168,179.63, 232,089.71 and 91,698.11

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Solution

The fourth proportional to 168,179.63, 232,089.71 and 91,698.11 is: 126,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,179.63 : 232,089.71 = 91,698.11 : x
  2. Step 2: Convert to fraction form
    168,179.63/232,089.71 = 91,698.11/x
  3. Step 3: Cross multiply
    168,179.63x = 232,089.71 × 91,698.11
  4. Step 4: Simplify right side
    168,179.63x = 21,282,187,757.45
  5. Step 5: Solve for x
    x = 21,282,187,757.45/168,179.63
  6. Step 6: Final answer
    x = 126,544.38

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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.