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Finding the Fourth Proportional to 173,035.30, 259,601.55 and 84,291.70

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Solution

The fourth proportional to 173,035.30, 259,601.55 and 84,291.70 is: 126,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,035.30 : 259,601.55 = 84,291.70 : x
  2. Step 2: Convert to fraction form
    173,035.30/259,601.55 = 84,291.70/x
  3. Step 3: Cross multiply
    173,035.30x = 259,601.55 × 84,291.70
  4. Step 4: Simplify right side
    173,035.30x = 21,882,255,972.14
  5. Step 5: Solve for x
    x = 21,882,255,972.14/173,035.30
  6. Step 6: Final answer
    x = 126,461.22

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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.