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Finding the Fourth Proportional to 80,333.86, 120,525.98 and 48,347.83

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Solution

The fourth proportional to 80,333.86, 120,525.98 and 48,347.83 is: 72,536.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,333.86 : 120,525.98 = 48,347.83 : x
  2. Step 2: Convert to fraction form
    80,333.86/120,525.98 = 48,347.83/x
  3. Step 3: Cross multiply
    80,333.86x = 120,525.98 × 48,347.83
  4. Step 4: Simplify right side
    80,333.86x = 5,827,169,591.62
  5. Step 5: Solve for x
    x = 5,827,169,591.62/80,333.86
  6. Step 6: Final answer
    x = 72,536.91

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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.