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Finding the Fourth Proportional to 179,568.51, 247,806.15 and 98,998.89

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Solution

The fourth proportional to 179,568.51, 247,806.15 and 98,998.89 is: 136,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,568.51 : 247,806.15 = 98,998.89 : x
  2. Step 2: Convert to fraction form
    179,568.51/247,806.15 = 98,998.89/x
  3. Step 3: Cross multiply
    179,568.51x = 247,806.15 × 98,998.89
  4. Step 4: Simplify right side
    179,568.51x = 24,532,533,785.17
  5. Step 5: Solve for x
    x = 24,532,533,785.17/179,568.51
  6. Step 6: Final answer
    x = 136,619.35

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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.