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Finding the Fourth Proportional to 192,081.60, 288,122.40 and 173,054.70

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Solution

The fourth proportional to 192,081.60, 288,122.40 and 173,054.70 is: 259,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,081.60 : 288,122.40 = 173,054.70 : x
  2. Step 2: Convert to fraction form
    192,081.60/288,122.40 = 173,054.70/x
  3. Step 3: Cross multiply
    192,081.60x = 288,122.40 × 173,054.70
  4. Step 4: Simplify right side
    192,081.60x = 49,860,935,495.28
  5. Step 5: Solve for x
    x = 49,860,935,495.28/192,081.60
  6. Step 6: Final answer
    x = 259,582.05

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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.