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Finding the Fourth Proportional to 80,014.83, 120,033.18 and 29,407.11

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Solution

The fourth proportional to 80,014.83, 120,033.18 and 29,407.11 is: 44,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,014.83 : 120,033.18 = 29,407.11 : x
  2. Step 2: Convert to fraction form
    80,014.83/120,033.18 = 29,407.11/x
  3. Step 3: Cross multiply
    80,014.83x = 120,033.18 × 29,407.11
  4. Step 4: Simplify right side
    80,014.83x = 3,529,828,927.91
  5. Step 5: Solve for x
    x = 3,529,828,927.91/80,014.83
  6. Step 6: Final answer
    x = 44,114.68

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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.