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Finding the Fourth Proportional to 237,335.97, 355,671.81 and 137,469.35

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Solution

The fourth proportional to 237,335.97, 355,671.81 and 137,469.35 is: 206,011.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,335.97 : 355,671.81 = 137,469.35 : x
  2. Step 2: Convert to fraction form
    237,335.97/355,671.81 = 137,469.35/x
  3. Step 3: Cross multiply
    237,335.97x = 355,671.81 × 137,469.35
  4. Step 4: Simplify right side
    237,335.97x = 48,893,973,423.20
  5. Step 5: Solve for x
    x = 48,893,973,423.20/237,335.97
  6. Step 6: Final answer
    x = 206,011.64

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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.