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Finding the Fourth Proportional to 104,475.30, 156,799.35 and 48,401.70

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Solution

The fourth proportional to 104,475.30, 156,799.35 and 48,401.70 is: 72,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,475.30 : 156,799.35 = 48,401.70 : x
  2. Step 2: Convert to fraction form
    104,475.30/156,799.35 = 48,401.70/x
  3. Step 3: Cross multiply
    104,475.30x = 156,799.35 × 48,401.70
  4. Step 4: Simplify right side
    104,475.30x = 7,589,355,098.90
  5. Step 5: Solve for x
    x = 7,589,355,098.90/104,475.30
  6. Step 6: Final answer
    x = 72,642.58

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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.