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Finding the Fourth Proportional to 202,999.15, 304,529.46 and 147,259.86

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Solution

The fourth proportional to 202,999.15, 304,529.46 and 147,259.86 is: 220,912.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,999.15 : 304,529.46 = 147,259.86 : x
  2. Step 2: Convert to fraction form
    202,999.15/304,529.46 = 147,259.86/x
  3. Step 3: Cross multiply
    202,999.15x = 304,529.46 × 147,259.86
  4. Step 4: Simplify right side
    202,999.15x = 44,844,965,645.48
  5. Step 5: Solve for x
    x = 44,844,965,645.48/202,999.15
  6. Step 6: Final answer
    x = 220,912.09

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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.