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Finding the Fourth Proportional to 228,572.52, 342,632.76 and 108,418.74

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Solution

The fourth proportional to 228,572.52, 342,632.76 and 108,418.74 is: 162,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,572.52 : 342,632.76 = 108,418.74 : x
  2. Step 2: Convert to fraction form
    228,572.52/342,632.76 = 108,418.74/x
  3. Step 3: Cross multiply
    228,572.52x = 342,632.76 × 108,418.74
  4. Step 4: Simplify right side
    228,572.52x = 37,147,812,121.92
  5. Step 5: Solve for x
    x = 37,147,812,121.92/228,572.52
  6. Step 6: Final answer
    x = 162,520.90

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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.