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Finding the Fourth Proportional to 173,065.92, 259,613.48 and 54,734.64

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Solution

The fourth proportional to 173,065.92, 259,613.48 and 54,734.64 is: 82,106.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,065.92 : 259,613.48 = 54,734.64 : x
  2. Step 2: Convert to fraction form
    173,065.92/259,613.48 = 54,734.64/x
  3. Step 3: Cross multiply
    173,065.92x = 259,613.48 × 54,734.64
  4. Step 4: Simplify right side
    173,065.92x = 14,209,850,366.95
  5. Step 5: Solve for x
    x = 14,209,850,366.95/173,065.92
  6. Step 6: Final answer
    x = 82,106.58

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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.