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Finding the Fourth Proportional to 146,807.20, 205,944.80 and 146,807.20

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Solution

The fourth proportional to 146,807.20, 205,944.80 and 146,807.20 is: 205,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,807.20 : 205,944.80 = 146,807.20 : x
  2. Step 2: Convert to fraction form
    146,807.20/205,944.80 = 146,807.20/x
  3. Step 3: Cross multiply
    146,807.20x = 205,944.80 × 146,807.20
  4. Step 4: Simplify right side
    146,807.20x = 30,234,179,442.56
  5. Step 5: Solve for x
    x = 30,234,179,442.56/146,807.20
  6. Step 6: Final answer
    x = 205,944.80

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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.