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Finding the Fourth Proportional to 104,263.90, 156,395.85 and 48,103.90

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Solution

The fourth proportional to 104,263.90, 156,395.85 and 48,103.90 is: 72,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,263.90 : 156,395.85 = 48,103.90 : x
  2. Step 2: Convert to fraction form
    104,263.90/156,395.85 = 48,103.90/x
  3. Step 3: Cross multiply
    104,263.90x = 156,395.85 × 48,103.90
  4. Step 4: Simplify right side
    104,263.90x = 7,523,250,328.82
  5. Step 5: Solve for x
    x = 7,523,250,328.82/104,263.90
  6. Step 6: Final answer
    x = 72,155.85

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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.