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Finding the Fourth Proportional to 169,321.17, 253,961 and 98,282.53

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Solution

The fourth proportional to 169,321.17, 253,961 and 98,282.53 is: 147,411.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,321.17 : 253,961 = 98,282.53 : x
  2. Step 2: Convert to fraction form
    169,321.17/253,961 = 98,282.53/x
  3. Step 3: Cross multiply
    169,321.17x = 253,961 × 98,282.53
  4. Step 4: Simplify right side
    169,321.17x = 24,959,929,601.33
  5. Step 5: Solve for x
    x = 24,959,929,601.33/169,321.17
  6. Step 6: Final answer
    x = 147,411.75

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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.