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Finding the Fourth Proportional to 173,330, 259,962.12 and 84,494.16

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Solution

The fourth proportional to 173,330, 259,962.12 and 84,494.16 is: 126,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,330 : 259,962.12 = 84,494.16 : x
  2. Step 2: Convert to fraction form
    173,330/259,962.12 = 84,494.16/x
  3. Step 3: Cross multiply
    173,330x = 259,962.12 × 84,494.16
  4. Step 4: Simplify right side
    173,330x = 21,965,280,961.22
  5. Step 5: Solve for x
    x = 21,965,280,961.22/173,330
  6. Step 6: Final answer
    x = 126,725.21

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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.