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Finding the Fourth Proportional to 236,205.78, 354,098.88 and 92,078.39

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Solution

The fourth proportional to 236,205.78, 354,098.88 and 92,078.39 is: 138,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,205.78 : 354,098.88 = 92,078.39 : x
  2. Step 2: Convert to fraction form
    236,205.78/354,098.88 = 92,078.39/x
  3. Step 3: Cross multiply
    236,205.78x = 354,098.88 × 92,078.39
  4. Step 4: Simplify right side
    236,205.78x = 32,604,853,000.71
  5. Step 5: Solve for x
    x = 32,604,853,000.71/236,205.78
  6. Step 6: Final answer
    x = 138,035.80

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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.