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Finding the Fourth Proportional to 104,515.54, 156,665.94 and 41,309.98

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Solution

The fourth proportional to 104,515.54, 156,665.94 and 41,309.98 is: 61,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,515.54 : 156,665.94 = 41,309.98 : x
  2. Step 2: Convert to fraction form
    104,515.54/156,665.94 = 41,309.98/x
  3. Step 3: Cross multiply
    104,515.54x = 156,665.94 × 41,309.98
  4. Step 4: Simplify right side
    104,515.54x = 6,471,866,848.08
  5. Step 5: Solve for x
    x = 6,471,866,848.08/104,515.54
  6. Step 6: Final answer
    x = 61,922.53

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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.