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Finding the Fourth Proportional to 117,496.34, 176,243.67 and 28,751.12

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Solution

The fourth proportional to 117,496.34, 176,243.67 and 28,751.12 is: 43,126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,496.34 : 176,243.67 = 28,751.12 : x
  2. Step 2: Convert to fraction form
    117,496.34/176,243.67 = 28,751.12/x
  3. Step 3: Cross multiply
    117,496.34x = 176,243.67 × 28,751.12
  4. Step 4: Simplify right side
    117,496.34x = 5,067,202,905.41
  5. Step 5: Solve for x
    x = 5,067,202,905.41/117,496.34
  6. Step 6: Final answer
    x = 43,126.47

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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.