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Finding the Fourth Proportional to 202,707.02, 279,735.66 and 110,826.62

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Solution

The fourth proportional to 202,707.02, 279,735.66 and 110,826.62 is: 152,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,707.02 : 279,735.66 = 110,826.62 : x
  2. Step 2: Convert to fraction form
    202,707.02/279,735.66 = 110,826.62/x
  3. Step 3: Cross multiply
    202,707.02x = 279,735.66 × 110,826.62
  4. Step 4: Simplify right side
    202,707.02x = 31,002,157,691.27
  5. Step 5: Solve for x
    x = 31,002,157,691.27/202,707.02
  6. Step 6: Final answer
    x = 152,940.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.