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Finding the Fourth Proportional to 179,439.51, 247,629.72 and 98,866.51

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Solution

The fourth proportional to 179,439.51, 247,629.72 and 98,866.51 is: 136,437.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,439.51 : 247,629.72 = 98,866.51 : x
  2. Step 2: Convert to fraction form
    179,439.51/247,629.72 = 98,866.51/x
  3. Step 3: Cross multiply
    179,439.51x = 247,629.72 × 98,866.51
  4. Step 4: Simplify right side
    179,439.51x = 24,482,286,188.68
  5. Step 5: Solve for x
    x = 24,482,286,188.68/179,439.51
  6. Step 6: Final answer
    x = 136,437.54

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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.