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Finding the Fourth Proportional to 117,393.44, 176,084.04 and 38,497.28

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Solution

The fourth proportional to 117,393.44, 176,084.04 and 38,497.28 is: 57,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,393.44 : 176,084.04 = 38,497.28 : x
  2. Step 2: Convert to fraction form
    117,393.44/176,084.04 = 38,497.28/x
  3. Step 3: Cross multiply
    117,393.44x = 176,084.04 × 38,497.28
  4. Step 4: Simplify right side
    117,393.44x = 6,778,756,591.41
  5. Step 5: Solve for x
    x = 6,778,756,591.41/117,393.44
  6. Step 6: Final answer
    x = 57,743.91

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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.