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Finding the Fourth Proportional to 104,078.67, 156,124.95 and 36,602.61

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Solution

The fourth proportional to 104,078.67, 156,124.95 and 36,602.61 is: 54,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,078.67 : 156,124.95 = 36,602.61 : x
  2. Step 2: Convert to fraction form
    104,078.67/156,124.95 = 36,602.61/x
  3. Step 3: Cross multiply
    104,078.67x = 156,124.95 × 36,602.61
  4. Step 4: Simplify right side
    104,078.67x = 5,714,580,656.12
  5. Step 5: Solve for x
    x = 5,714,580,656.12/104,078.67
  6. Step 6: Final answer
    x = 54,906.36

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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.