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Finding the Fourth Proportional to 159,215.67, 219,593.25 and 98,752.41

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Solution

The fourth proportional to 159,215.67, 219,593.25 and 98,752.41 is: 136,201.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,215.67 : 219,593.25 = 98,752.41 : x
  2. Step 2: Convert to fraction form
    159,215.67/219,593.25 = 98,752.41/x
  3. Step 3: Cross multiply
    159,215.67x = 219,593.25 × 98,752.41
  4. Step 4: Simplify right side
    159,215.67x = 21,685,362,657.23
  5. Step 5: Solve for x
    x = 21,685,362,657.23/159,215.67
  6. Step 6: Final answer
    x = 136,201.18

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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.