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Finding the Fourth Proportional to 137,227.70, 205,813.56 and 48,484.10

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Solution

The fourth proportional to 137,227.70, 205,813.56 and 48,484.10 is: 72,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,227.70 : 205,813.56 = 48,484.10 : x
  2. Step 2: Convert to fraction form
    137,227.70/205,813.56 = 48,484.10/x
  3. Step 3: Cross multiply
    137,227.70x = 205,813.56 × 48,484.10
  4. Step 4: Simplify right side
    137,227.70x = 9,978,685,224.40
  5. Step 5: Solve for x
    x = 9,978,685,224.40/137,227.70
  6. Step 6: Final answer
    x = 72,716.26

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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.