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Finding the Fourth Proportional to 148,183.20, 207,871.20 and 148,183.20

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Solution

The fourth proportional to 148,183.20, 207,871.20 and 148,183.20 is: 207,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,183.20 : 207,871.20 = 148,183.20 : x
  2. Step 2: Convert to fraction form
    148,183.20/207,871.20 = 148,183.20/x
  3. Step 3: Cross multiply
    148,183.20x = 207,871.20 × 148,183.20
  4. Step 4: Simplify right side
    148,183.20x = 30,803,019,603.84
  5. Step 5: Solve for x
    x = 30,803,019,603.84/148,183.20
  6. Step 6: Final answer
    x = 207,871.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.