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Finding the Fourth Proportional to 104,727.90, 156,919.05 and 52,023.90

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Solution

The fourth proportional to 104,727.90, 156,919.05 and 52,023.90 is: 77,950.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,727.90 : 156,919.05 = 52,023.90 : x
  2. Step 2: Convert to fraction form
    104,727.90/156,919.05 = 52,023.90/x
  3. Step 3: Cross multiply
    104,727.90x = 156,919.05 × 52,023.90
  4. Step 4: Simplify right side
    104,727.90x = 8,163,540,965.30
  5. Step 5: Solve for x
    x = 8,163,540,965.30/104,727.90
  6. Step 6: Final answer
    x = 77,950.01

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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.