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Finding the Fourth Proportional to 192,040.70, 288,082.65 and 58,919.90

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Solution

The fourth proportional to 192,040.70, 288,082.65 and 58,919.90 is: 88,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,040.70 : 288,082.65 = 58,919.90 : x
  2. Step 2: Convert to fraction form
    192,040.70/288,082.65 = 58,919.90/x
  3. Step 3: Cross multiply
    192,040.70x = 288,082.65 × 58,919.90
  4. Step 4: Simplify right side
    192,040.70x = 16,973,800,929.74
  5. Step 5: Solve for x
    x = 16,973,800,929.74/192,040.70
  6. Step 6: Final answer
    x = 88,386.48

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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.