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Finding the Fourth Proportional to 168,308.55, 232,265.54 and 91,827.70

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Solution

The fourth proportional to 168,308.55, 232,265.54 and 91,827.70 is: 126,722.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,308.55 : 232,265.54 = 91,827.70 : x
  2. Step 2: Convert to fraction form
    168,308.55/232,265.54 = 91,827.70/x
  3. Step 3: Cross multiply
    168,308.55x = 232,265.54 × 91,827.70
  4. Step 4: Simplify right side
    168,308.55x = 21,328,409,976.36
  5. Step 5: Solve for x
    x = 21,328,409,976.36/168,308.55
  6. Step 6: Final answer
    x = 126,722.08

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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.