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Finding the Fourth Proportional to 79,807.90, 119,500.62 and 48,175.67

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Solution

The fourth proportional to 79,807.90, 119,500.62 and 48,175.67 is: 72,136.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,807.90 : 119,500.62 = 48,175.67 : x
  2. Step 2: Convert to fraction form
    79,807.90/119,500.62 = 48,175.67/x
  3. Step 3: Cross multiply
    79,807.90x = 119,500.62 × 48,175.67
  4. Step 4: Simplify right side
    79,807.90x = 5,757,022,433.92
  5. Step 5: Solve for x
    x = 5,757,022,433.92/79,807.90
  6. Step 6: Final answer
    x = 72,136.00

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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.