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Finding the Fourth Proportional to 104,296.17, 155,102.51 and 100,974.69

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Solution

The fourth proportional to 104,296.17, 155,102.51 and 100,974.69 is: 150,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,296.17 : 155,102.51 = 100,974.69 : x
  2. Step 2: Convert to fraction form
    104,296.17/155,102.51 = 100,974.69/x
  3. Step 3: Cross multiply
    104,296.17x = 155,102.51 × 100,974.69
  4. Step 4: Simplify right side
    104,296.17x = 15,661,427,360.60
  5. Step 5: Solve for x
    x = 15,661,427,360.60/104,296.17
  6. Step 6: Final answer
    x = 150,163.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.