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Finding the Fourth Proportional to 93,912.54, 129,593.43 and 51,468.06

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Solution

The fourth proportional to 93,912.54, 129,593.43 and 51,468.06 is: 71,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,912.54 : 129,593.43 = 51,468.06 : x
  2. Step 2: Convert to fraction form
    93,912.54/129,593.43 = 51,468.06/x
  3. Step 3: Cross multiply
    93,912.54x = 129,593.43 × 51,468.06
  4. Step 4: Simplify right side
    93,912.54x = 6,669,922,430.85
  5. Step 5: Solve for x
    x = 6,669,922,430.85/93,912.54
  6. Step 6: Final answer
    x = 71,022.70

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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.