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Finding the Fourth Proportional to 116,001.68, 174,003.54 and 45,881

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Solution

The fourth proportional to 116,001.68, 174,003.54 and 45,881 is: 68,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,001.68 : 174,003.54 = 45,881 : x
  2. Step 2: Convert to fraction form
    116,001.68/174,003.54 = 45,881/x
  3. Step 3: Cross multiply
    116,001.68x = 174,003.54 × 45,881
  4. Step 4: Simplify right side
    116,001.68x = 7,983,456,418.74
  5. Step 5: Solve for x
    x = 7,983,456,418.74/116,001.68
  6. Step 6: Final answer
    x = 68,821.90

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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.