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Finding the Fourth Proportional to 192,579.39, 288,810.77 and 52,319.79

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Solution

The fourth proportional to 192,579.39, 288,810.77 and 52,319.79 is: 78,463.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,579.39 : 288,810.77 = 52,319.79 : x
  2. Step 2: Convert to fraction form
    192,579.39/288,810.77 = 52,319.79/x
  3. Step 3: Cross multiply
    192,579.39x = 288,810.77 × 52,319.79
  4. Step 4: Simplify right side
    192,579.39x = 15,110,518,574.54
  5. Step 5: Solve for x
    x = 15,110,518,574.54/192,579.39
  6. Step 6: Final answer
    x = 78,463.84

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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.