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Finding the Fourth Proportional to 71,092.77, 106,562.61 and 37,779.30

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Solution

The fourth proportional to 71,092.77, 106,562.61 and 37,779.30 is: 56,628.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,092.77 : 106,562.61 = 37,779.30 : x
  2. Step 2: Convert to fraction form
    71,092.77/106,562.61 = 37,779.30/x
  3. Step 3: Cross multiply
    71,092.77x = 106,562.61 × 37,779.30
  4. Step 4: Simplify right side
    71,092.77x = 4,025,860,811.97
  5. Step 5: Solve for x
    x = 4,025,860,811.97/71,092.77
  6. Step 6: Final answer
    x = 56,628.27

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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.