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Finding the Fourth Proportional to 174,103.52, 261,174.11 and 74,274.26

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Solution

The fourth proportional to 174,103.52, 261,174.11 and 74,274.26 is: 111,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,103.52 : 261,174.11 = 74,274.26 : x
  2. Step 2: Convert to fraction form
    174,103.52/261,174.11 = 74,274.26/x
  3. Step 3: Cross multiply
    174,103.52x = 261,174.11 × 74,274.26
  4. Step 4: Simplify right side
    174,103.52x = 19,398,512,074.17
  5. Step 5: Solve for x
    x = 19,398,512,074.17/174,103.52
  6. Step 6: Final answer
    x = 111,419.42

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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.