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Finding the Fourth Proportional to 174,743.74, 262,115.88 and 74,896.12

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Solution

The fourth proportional to 174,743.74, 262,115.88 and 74,896.12 is: 112,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,743.74 : 262,115.88 = 74,896.12 : x
  2. Step 2: Convert to fraction form
    174,743.74/262,115.88 = 74,896.12/x
  3. Step 3: Cross multiply
    174,743.74x = 262,115.88 × 74,896.12
  4. Step 4: Simplify right side
    174,743.74x = 19,631,462,402.39
  5. Step 5: Solve for x
    x = 19,631,462,402.39/174,743.74
  6. Step 6: Final answer
    x = 112,344.30

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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.