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Finding the Fourth Proportional to 179,568.34, 247,806 and 98,998.72

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Solution

The fourth proportional to 179,568.34, 247,806 and 98,998.72 is: 136,619.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,568.34 : 247,806 = 98,998.72 : x
  2. Step 2: Convert to fraction form
    179,568.34/247,806 = 98,998.72/x
  3. Step 3: Cross multiply
    179,568.34x = 247,806 × 98,998.72
  4. Step 4: Simplify right side
    179,568.34x = 24,532,476,808.32
  5. Step 5: Solve for x
    x = 24,532,476,808.32/179,568.34
  6. Step 6: Final answer
    x = 136,619.17

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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.