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Finding the Fourth Proportional to 173,239.40, 259,640.40 and 84,301.40

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Solution

The fourth proportional to 173,239.40, 259,640.40 and 84,301.40 is: 126,345.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,239.40 : 259,640.40 = 84,301.40 : x
  2. Step 2: Convert to fraction form
    173,239.40/259,640.40 = 84,301.40/x
  3. Step 3: Cross multiply
    173,239.40x = 259,640.40 × 84,301.40
  4. Step 4: Simplify right side
    173,239.40x = 21,888,049,216.56
  5. Step 5: Solve for x
    x = 21,888,049,216.56/173,239.40
  6. Step 6: Final answer
    x = 126,345.68

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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.