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Finding the Fourth Proportional to 202,659.87, 304,051.32 and 107,873.93

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Solution

The fourth proportional to 202,659.87, 304,051.32 and 107,873.93 is: 161,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,659.87 : 304,051.32 = 107,873.93 : x
  2. Step 2: Convert to fraction form
    202,659.87/304,051.32 = 107,873.93/x
  3. Step 3: Cross multiply
    202,659.87x = 304,051.32 × 107,873.93
  4. Step 4: Simplify right side
    202,659.87x = 32,799,209,859.93
  5. Step 5: Solve for x
    x = 32,799,209,859.93/202,659.87
  6. Step 6: Final answer
    x = 161,843.63

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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.