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Finding the Fourth Proportional to 168,179.61, 232,089.69 and 91,698.09

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Solution

The fourth proportional to 168,179.61, 232,089.69 and 91,698.09 is: 126,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,179.61 : 232,089.69 = 91,698.09 : x
  2. Step 2: Convert to fraction form
    168,179.61/232,089.69 = 91,698.09/x
  3. Step 3: Cross multiply
    168,179.61x = 232,089.69 × 91,698.09
  4. Step 4: Simplify right side
    168,179.61x = 21,282,181,281.69
  5. Step 5: Solve for x
    x = 21,282,181,281.69/168,179.61
  6. Step 6: Final answer
    x = 126,544.36

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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.