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Finding the Fourth Proportional to 103,969.70, 156,027.45 and 44,847.80

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Solution

The fourth proportional to 103,969.70, 156,027.45 and 44,847.80 is: 67,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,969.70 : 156,027.45 = 44,847.80 : x
  2. Step 2: Convert to fraction form
    103,969.70/156,027.45 = 44,847.80/x
  3. Step 3: Cross multiply
    103,969.70x = 156,027.45 × 44,847.80
  4. Step 4: Simplify right side
    103,969.70x = 6,997,487,872.11
  5. Step 5: Solve for x
    x = 6,997,487,872.11/103,969.70
  6. Step 6: Final answer
    x = 67,303.15

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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.