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Finding the Fourth Proportional to 104,286.73, 156,430.06 and 37,711.31

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Solution

The fourth proportional to 104,286.73, 156,430.06 and 37,711.31 is: 56,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,286.73 : 156,430.06 = 37,711.31 : x
  2. Step 2: Convert to fraction form
    104,286.73/156,430.06 = 37,711.31/x
  3. Step 3: Cross multiply
    104,286.73x = 156,430.06 × 37,711.31
  4. Step 4: Simplify right side
    104,286.73x = 5,899,182,485.98
  5. Step 5: Solve for x
    x = 5,899,182,485.98/104,286.73
  6. Step 6: Final answer
    x = 56,566.95

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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.