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Finding the Fourth Proportional to 79,583.50, 119,080.77 and 48,011.86

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Solution

The fourth proportional to 79,583.50, 119,080.77 and 48,011.86 is: 71,840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,583.50 : 119,080.77 = 48,011.86 : x
  2. Step 2: Convert to fraction form
    79,583.50/119,080.77 = 48,011.86/x
  3. Step 3: Cross multiply
    79,583.50x = 119,080.77 × 48,011.86
  4. Step 4: Simplify right side
    79,583.50x = 5,717,289,257.93
  5. Step 5: Solve for x
    x = 5,717,289,257.93/79,583.50
  6. Step 6: Final answer
    x = 71,840.13

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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.