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Finding the Fourth Proportional to 96,505, 144,597.44 and 68,285.18

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Solution

The fourth proportional to 96,505, 144,597.44 and 68,285.18 is: 102,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,505 : 144,597.44 = 68,285.18 : x
  2. Step 2: Convert to fraction form
    96,505/144,597.44 = 68,285.18/x
  3. Step 3: Cross multiply
    96,505x = 144,597.44 × 68,285.18
  4. Step 4: Simplify right side
    96,505x = 9,873,862,217.94
  5. Step 5: Solve for x
    x = 9,873,862,217.94/96,505
  6. Step 6: Final answer
    x = 102,314.51

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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.