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Finding the Fourth Proportional to 116,748, 161,137.44 and 74,297.52

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Solution

The fourth proportional to 116,748, 161,137.44 and 74,297.52 is: 102,546.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,748 : 161,137.44 = 74,297.52 : x
  2. Step 2: Convert to fraction form
    116,748/161,137.44 = 74,297.52/x
  3. Step 3: Cross multiply
    116,748x = 161,137.44 × 74,297.52
  4. Step 4: Simplify right side
    116,748x = 11,972,112,171.15
  5. Step 5: Solve for x
    x = 11,972,112,171.15/116,748
  6. Step 6: Final answer
    x = 102,546.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.