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Finding the Fourth Proportional to 104,543.53, 156,662.20 and 51,847.77

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Solution

The fourth proportional to 104,543.53, 156,662.20 and 51,847.77 is: 77,695.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,543.53 : 156,662.20 = 51,847.77 : x
  2. Step 2: Convert to fraction form
    104,543.53/156,662.20 = 51,847.77/x
  3. Step 3: Cross multiply
    104,543.53x = 156,662.20 × 51,847.77
  4. Step 4: Simplify right side
    104,543.53x = 8,122,585,713.29
  5. Step 5: Solve for x
    x = 8,122,585,713.29/104,543.53
  6. Step 6: Final answer
    x = 77,695.73

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1.5x scale

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.