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Finding the Fourth Proportional to 173,958.09, 260,854.89 and 67,391.97

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Solution

The fourth proportional to 173,958.09, 260,854.89 and 67,391.97 is: 101,056.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,958.09 : 260,854.89 = 67,391.97 : x
  2. Step 2: Convert to fraction form
    173,958.09/260,854.89 = 67,391.97/x
  3. Step 3: Cross multiply
    173,958.09x = 260,854.89 × 67,391.97
  4. Step 4: Simplify right side
    173,958.09x = 17,579,524,921.23
  5. Step 5: Solve for x
    x = 17,579,524,921.23/173,958.09
  6. Step 6: Final answer
    x = 101,056.09

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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.