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Finding the Fourth Proportional to 168,046.59, 231,901.55 and 91,566.60

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Solution

The fourth proportional to 168,046.59, 231,901.55 and 91,566.60 is: 126,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,046.59 : 231,901.55 = 91,566.60 : x
  2. Step 2: Convert to fraction form
    168,046.59/231,901.55 = 91,566.60/x
  3. Step 3: Cross multiply
    168,046.59x = 231,901.55 × 91,566.60
  4. Step 4: Simplify right side
    168,046.59x = 21,234,435,484.14
  5. Step 5: Solve for x
    x = 21,234,435,484.14/168,046.59
  6. Step 6: Final answer
    x = 126,360.40

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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.