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Finding the Fourth Proportional to 104,296.68, 155,103.24 and 100,975.16

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Solution

The fourth proportional to 104,296.68, 155,103.24 and 100,975.16 is: 150,163.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,296.68 : 155,103.24 = 100,975.16 : x
  2. Step 2: Convert to fraction form
    104,296.68/155,103.24 = 100,975.16/x
  3. Step 3: Cross multiply
    104,296.68x = 155,103.24 × 100,975.16
  4. Step 4: Simplify right side
    104,296.68x = 15,661,574,475.52
  5. Step 5: Solve for x
    x = 15,661,574,475.52/104,296.68
  6. Step 6: Final answer
    x = 150,163.69

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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.