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Finding the Fourth Proportional to 146,917, 202,746.18 and 79,849

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Solution

The fourth proportional to 146,917, 202,746.18 and 79,849 is: 110,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,917 : 202,746.18 = 79,849 : x
  2. Step 2: Convert to fraction form
    146,917/202,746.18 = 79,849/x
  3. Step 3: Cross multiply
    146,917x = 202,746.18 × 79,849
  4. Step 4: Simplify right side
    146,917x = 16,189,079,726.82
  5. Step 5: Solve for x
    x = 16,189,079,726.82/146,917
  6. Step 6: Final answer
    x = 110,192.01

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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.