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Finding the Fourth Proportional to 113,202.77, 169,935.37 and 60,714.77

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Solution

The fourth proportional to 113,202.77, 169,935.37 and 60,714.77 is: 91,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,202.77 : 169,935.37 = 60,714.77 : x
  2. Step 2: Convert to fraction form
    113,202.77/169,935.37 = 60,714.77/x
  3. Step 3: Cross multiply
    113,202.77x = 169,935.37 × 60,714.77
  4. Step 4: Simplify right side
    113,202.77x = 10,317,585,902.95
  5. Step 5: Solve for x
    x = 10,317,585,902.95/113,202.77
  6. Step 6: Final answer
    x = 91,142.53

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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.