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Finding the Fourth Proportional to 166,951.86, 230,394.87 and 91,503.06

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Solution

The fourth proportional to 166,951.86, 230,394.87 and 91,503.06 is: 126,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,951.86 : 230,394.87 = 91,503.06 : x
  2. Step 2: Convert to fraction form
    166,951.86/230,394.87 = 91,503.06/x
  3. Step 3: Cross multiply
    166,951.86x = 230,394.87 × 91,503.06
  4. Step 4: Simplify right side
    166,951.86x = 21,081,835,613.30
  5. Step 5: Solve for x
    x = 21,081,835,613.30/166,951.86
  6. Step 6: Final answer
    x = 126,274.94

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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.