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Finding the Fourth Proportional to 237,963.72, 328,204.34 and 147,369.98

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Solution

The fourth proportional to 237,963.72, 328,204.34 and 147,369.98 is: 203,255.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,963.72 : 328,204.34 = 147,369.98 : x
  2. Step 2: Convert to fraction form
    237,963.72/328,204.34 = 147,369.98/x
  3. Step 3: Cross multiply
    237,963.72x = 328,204.34 × 147,369.98
  4. Step 4: Simplify right side
    237,963.72x = 48,367,467,658.01
  5. Step 5: Solve for x
    x = 48,367,467,658.01/237,963.72
  6. Step 6: Final answer
    x = 203,255.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.