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Finding the Fourth Proportional to 147,995.37, 205,611.21 and 146,223.90

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Solution

The fourth proportional to 147,995.37, 205,611.21 and 146,223.90 is: 203,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,995.37 : 205,611.21 = 146,223.90 : x
  2. Step 2: Convert to fraction form
    147,995.37/205,611.21 = 146,223.90/x
  3. Step 3: Cross multiply
    147,995.37x = 205,611.21 × 146,223.90
  4. Step 4: Simplify right side
    147,995.37x = 30,065,273,009.92
  5. Step 5: Solve for x
    x = 30,065,273,009.92/147,995.37
  6. Step 6: Final answer
    x = 203,150.09

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.