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Finding the Fourth Proportional to 117,291.27, 175,935.42 and 28,544.97

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Solution

The fourth proportional to 117,291.27, 175,935.42 and 28,544.97 is: 42,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,291.27 : 175,935.42 = 28,544.97 : x
  2. Step 2: Convert to fraction form
    117,291.27/175,935.42 = 28,544.97/x
  3. Step 3: Cross multiply
    117,291.27x = 175,935.42 × 28,544.97
  4. Step 4: Simplify right side
    117,291.27x = 5,022,071,285.84
  5. Step 5: Solve for x
    x = 5,022,071,285.84/117,291.27
  6. Step 6: Final answer
    x = 42,817.09

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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.