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Finding the Fourth Proportional to 192,360.68, 288,541.02 and 52,119.30

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Solution

The fourth proportional to 192,360.68, 288,541.02 and 52,119.30 is: 78,178.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,360.68 : 288,541.02 = 52,119.30 : x
  2. Step 2: Convert to fraction form
    192,360.68/288,541.02 = 52,119.30/x
  3. Step 3: Cross multiply
    192,360.68x = 288,541.02 × 52,119.30
  4. Step 4: Simplify right side
    192,360.68x = 15,038,555,983.69
  5. Step 5: Solve for x
    x = 15,038,555,983.69/192,360.68
  6. Step 6: Final answer
    x = 78,178.95

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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.