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Finding the Fourth Proportional to 237,591.20, 355,730.70 and 185,103.20

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Solution

The fourth proportional to 237,591.20, 355,730.70 and 185,103.20 is: 277,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,591.20 : 355,730.70 = 185,103.20 : x
  2. Step 2: Convert to fraction form
    237,591.20/355,730.70 = 185,103.20/x
  3. Step 3: Cross multiply
    237,591.20x = 355,730.70 × 185,103.20
  4. Step 4: Simplify right side
    237,591.20x = 65,846,890,908.24
  5. Step 5: Solve for x
    x = 65,846,890,908.24/237,591.20
  6. Step 6: Final answer
    x = 277,143.64

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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.