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Finding the Fourth Proportional to 99,060.92, 148,628.37 and 39,913.37

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Solution

The fourth proportional to 99,060.92, 148,628.37 and 39,913.37 is: 59,884.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,060.92 : 148,628.37 = 39,913.37 : x
  2. Step 2: Convert to fraction form
    99,060.92/148,628.37 = 39,913.37/x
  3. Step 3: Cross multiply
    99,060.92x = 148,628.37 × 39,913.37
  4. Step 4: Simplify right side
    99,060.92x = 5,932,259,124.31
  5. Step 5: Solve for x
    x = 5,932,259,124.31/99,060.92
  6. Step 6: Final answer
    x = 59,884.96

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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.