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Finding the Fourth Proportional to 197,989.48, 296,979.72 and 48,230.56

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Solution

The fourth proportional to 197,989.48, 296,979.72 and 48,230.56 is: 72,344.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,989.48 : 296,979.72 = 48,230.56 : x
  2. Step 2: Convert to fraction form
    197,989.48/296,979.72 = 48,230.56/x
  3. Step 3: Cross multiply
    197,989.48x = 296,979.72 × 48,230.56
  4. Step 4: Simplify right side
    197,989.48x = 14,323,498,204.24
  5. Step 5: Solve for x
    x = 14,323,498,204.24/197,989.48
  6. Step 6: Final answer
    x = 72,344.74

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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.