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Finding the Fourth Proportional to 198,966.43, 298,400.43 and 124,048.01

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Solution

The fourth proportional to 198,966.43, 298,400.43 and 124,048.01 is: 186,041.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,966.43 : 298,400.43 = 124,048.01 : x
  2. Step 2: Convert to fraction form
    198,966.43/298,400.43 = 124,048.01/x
  3. Step 3: Cross multiply
    198,966.43x = 298,400.43 × 124,048.01
  4. Step 4: Simplify right side
    198,966.43x = 37,015,978,708.44
  5. Step 5: Solve for x
    x = 37,015,978,708.44/198,966.43
  6. Step 6: Final answer
    x = 186,041.33

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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.