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Finding the Fourth Proportional to 179,568.78, 247,806.64 and 98,999.26

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Solution

The fourth proportional to 179,568.78, 247,806.64 and 98,999.26 is: 136,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,568.78 : 247,806.64 = 98,999.26 : x
  2. Step 2: Convert to fraction form
    179,568.78/247,806.64 = 98,999.26/x
  3. Step 3: Cross multiply
    179,568.78x = 247,806.64 × 98,999.26
  4. Step 4: Simplify right side
    179,568.78x = 24,532,673,983.09
  5. Step 5: Solve for x
    x = 24,532,673,983.09/179,568.78
  6. Step 6: Final answer
    x = 136,619.93

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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.