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Finding the Fourth Proportional to 169,627.17, 254,205.36 and 74,715.03

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Solution

The fourth proportional to 169,627.17, 254,205.36 and 74,715.03 is: 111,968.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,627.17 : 254,205.36 = 74,715.03 : x
  2. Step 2: Convert to fraction form
    169,627.17/254,205.36 = 74,715.03/x
  3. Step 3: Cross multiply
    169,627.17x = 254,205.36 × 74,715.03
  4. Step 4: Simplify right side
    169,627.17x = 18,992,961,098.56
  5. Step 5: Solve for x
    x = 18,992,961,098.56/169,627.17
  6. Step 6: Final answer
    x = 111,968.86

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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.