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Finding the Fourth Proportional to 192,150.32, 288,235.97 and 79,841.89

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Solution

The fourth proportional to 192,150.32, 288,235.97 and 79,841.89 is: 119,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,150.32 : 288,235.97 = 79,841.89 : x
  2. Step 2: Convert to fraction form
    192,150.32/288,235.97 = 79,841.89/x
  3. Step 3: Cross multiply
    192,150.32x = 288,235.97 × 79,841.89
  4. Step 4: Simplify right side
    192,150.32x = 23,013,303,490.98
  5. Step 5: Solve for x
    x = 23,013,303,490.98/192,150.32
  6. Step 6: Final answer
    x = 119,767.19

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1.5x scale

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.