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Finding the Fourth Proportional to 192,309.39, 288,496.89 and 59,186.70

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Solution

The fourth proportional to 192,309.39, 288,496.89 and 59,186.70 is: 88,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,309.39 : 288,496.89 = 59,186.70 : x
  2. Step 2: Convert to fraction form
    192,309.39/288,496.89 = 59,186.70/x
  3. Step 3: Cross multiply
    192,309.39x = 288,496.89 × 59,186.70
  4. Step 4: Simplify right side
    192,309.39x = 17,075,178,879.36
  5. Step 5: Solve for x
    x = 17,075,178,879.36/192,309.39
  6. Step 6: Final answer
    x = 88,790.15

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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.