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Finding the Fourth Proportional to 100,174.52, 150,286.08 and 30,053.84

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Solution

The fourth proportional to 100,174.52, 150,286.08 and 30,053.84 is: 45,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,174.52 : 150,286.08 = 30,053.84 : x
  2. Step 2: Convert to fraction form
    100,174.52/150,286.08 = 30,053.84/x
  3. Step 3: Cross multiply
    100,174.52x = 150,286.08 × 30,053.84
  4. Step 4: Simplify right side
    100,174.52x = 4,516,673,163.82
  5. Step 5: Solve for x
    x = 4,516,673,163.82/100,174.52
  6. Step 6: Final answer
    x = 45,088.04

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1.5x scale

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.