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Finding the Fourth Proportional to 159,889.52, 220,666.20 and 132,984.56

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Solution

The fourth proportional to 159,889.52, 220,666.20 and 132,984.56 is: 183,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,889.52 : 220,666.20 = 132,984.56 : x
  2. Step 2: Convert to fraction form
    159,889.52/220,666.20 = 132,984.56/x
  3. Step 3: Cross multiply
    159,889.52x = 220,666.20 × 132,984.56
  4. Step 4: Simplify right side
    159,889.52x = 29,345,197,513.87
  5. Step 5: Solve for x
    x = 29,345,197,513.87/159,889.52
  6. Step 6: Final answer
    x = 183,534.21

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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.