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Finding the Fourth Proportional to 117,517.96, 176,239.54 and 38,613.97

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Solution

The fourth proportional to 117,517.96, 176,239.54 and 38,613.97 is: 57,908.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,517.96 : 176,239.54 = 38,613.97 : x
  2. Step 2: Convert to fraction form
    117,517.96/176,239.54 = 38,613.97/x
  3. Step 3: Cross multiply
    117,517.96x = 176,239.54 × 38,613.97
  4. Step 4: Simplify right side
    117,517.96x = 6,805,308,310.37
  5. Step 5: Solve for x
    x = 6,805,308,310.37/117,517.96
  6. Step 6: Final answer
    x = 57,908.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.