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Finding the Fourth Proportional to 88,099.53, 121,579.73 and 47,813.37

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Solution

The fourth proportional to 88,099.53, 121,579.73 and 47,813.37 is: 65,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,099.53 : 121,579.73 = 47,813.37 : x
  2. Step 2: Convert to fraction form
    88,099.53/121,579.73 = 47,813.37/x
  3. Step 3: Cross multiply
    88,099.53x = 121,579.73 × 47,813.37
  4. Step 4: Simplify right side
    88,099.53x = 5,813,136,614.99
  5. Step 5: Solve for x
    x = 5,813,136,614.99/88,099.53
  6. Step 6: Final answer
    x = 65,983.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.