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Finding the Fourth Proportional to 174,260.71, 261,406.66 and 67,642.17

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Solution

The fourth proportional to 174,260.71, 261,406.66 and 67,642.17 is: 101,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,260.71 : 261,406.66 = 67,642.17 : x
  2. Step 2: Convert to fraction form
    174,260.71/261,406.66 = 67,642.17/x
  3. Step 3: Cross multiply
    174,260.71x = 261,406.66 × 67,642.17
  4. Step 4: Simplify right side
    174,260.71x = 17,682,113,734.85
  5. Step 5: Solve for x
    x = 17,682,113,734.85/174,260.71
  6. Step 6: Final answer
    x = 101,469.31

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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.