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Finding the Fourth Proportional to 237,205.86, 355,949.15 and 87,550.40

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Solution

The fourth proportional to 237,205.86, 355,949.15 and 87,550.40 is: 131,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,205.86 : 355,949.15 = 87,550.40 : x
  2. Step 2: Convert to fraction form
    237,205.86/355,949.15 = 87,550.40/x
  3. Step 3: Cross multiply
    237,205.86x = 355,949.15 × 87,550.40
  4. Step 4: Simplify right side
    237,205.86x = 31,163,488,244.66
  5. Step 5: Solve for x
    x = 31,163,488,244.66/237,205.86
  6. Step 6: Final answer
    x = 131,377.40

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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.