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Finding the Fourth Proportional to 71,057.62, 106,586.88 and 48,803.53

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Solution

The fourth proportional to 71,057.62, 106,586.88 and 48,803.53 is: 73,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,057.62 : 106,586.88 = 48,803.53 : x
  2. Step 2: Convert to fraction form
    71,057.62/106,586.88 = 48,803.53/x
  3. Step 3: Cross multiply
    71,057.62x = 106,586.88 × 48,803.53
  4. Step 4: Simplify right side
    71,057.62x = 5,201,815,995.69
  5. Step 5: Solve for x
    x = 5,201,815,995.69/71,057.62
  6. Step 6: Final answer
    x = 73,205.60

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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.