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Finding the Fourth Proportional to 237,348.05, 355,983.69 and 87,658.83

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Solution

The fourth proportional to 237,348.05, 355,983.69 and 87,658.83 is: 131,474.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,348.05 : 355,983.69 = 87,658.83 : x
  2. Step 2: Convert to fraction form
    237,348.05/355,983.69 = 87,658.83/x
  3. Step 3: Cross multiply
    237,348.05x = 355,983.69 × 87,658.83
  4. Step 4: Simplify right side
    237,348.05x = 31,205,113,764.48
  5. Step 5: Solve for x
    x = 31,205,113,764.48/237,348.05
  6. Step 6: Final answer
    x = 131,474.07

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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.