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Finding the Fourth Proportional to 237,898.64, 328,269.78 and 135,930.71

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Solution

The fourth proportional to 237,898.64, 328,269.78 and 135,930.71 is: 187,567.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,898.64 : 328,269.78 = 135,930.71 : x
  2. Step 2: Convert to fraction form
    237,898.64/328,269.78 = 135,930.71/x
  3. Step 3: Cross multiply
    237,898.64x = 328,269.78 × 135,930.71
  4. Step 4: Simplify right side
    237,898.64x = 44,621,942,625.59
  5. Step 5: Solve for x
    x = 44,621,942,625.59/237,898.64
  6. Step 6: Final answer
    x = 187,567.03

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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.