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Finding the Fourth Proportional to 168,266.85, 232,212.63 and 91,787.24

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Solution

The fourth proportional to 168,266.85, 232,212.63 and 91,787.24 is: 126,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,266.85 : 232,212.63 = 91,787.24 : x
  2. Step 2: Convert to fraction form
    168,266.85/232,212.63 = 91,787.24/x
  3. Step 3: Cross multiply
    168,266.85x = 232,212.63 × 91,787.24
  4. Step 4: Simplify right side
    168,266.85x = 21,314,155,239.78
  5. Step 5: Solve for x
    x = 21,314,155,239.78/168,266.85
  6. Step 6: Final answer
    x = 126,668.77

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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.