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Finding the Fourth Proportional to 117,838.38, 176,785.25 and 38,952.60

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Solution

The fourth proportional to 117,838.38, 176,785.25 and 38,952.60 is: 58,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,838.38 : 176,785.25 = 38,952.60 : x
  2. Step 2: Convert to fraction form
    117,838.38/176,785.25 = 38,952.60/x
  3. Step 3: Cross multiply
    117,838.38x = 176,785.25 × 38,952.60
  4. Step 4: Simplify right side
    117,838.38x = 6,886,245,597.33
  5. Step 5: Solve for x
    x = 6,886,245,597.33/117,838.38
  6. Step 6: Final answer
    x = 58,438.05

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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.