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Finding the Fourth Proportional to 104,008.46, 156,032.88 and 39,961.90

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Solution

The fourth proportional to 104,008.46, 156,032.88 and 39,961.90 is: 59,950.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,008.46 : 156,032.88 = 39,961.90 : x
  2. Step 2: Convert to fraction form
    104,008.46/156,032.88 = 39,961.90/x
  3. Step 3: Cross multiply
    104,008.46x = 156,032.88 × 39,961.90
  4. Step 4: Simplify right side
    104,008.46x = 6,235,370,347.27
  5. Step 5: Solve for x
    x = 6,235,370,347.27/104,008.46
  6. Step 6: Final answer
    x = 59,950.61

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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.