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Finding the Fourth Proportional to 180,449.82, 248,986.17 and 99,873.54

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Solution

The fourth proportional to 180,449.82, 248,986.17 and 99,873.54 is: 137,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,449.82 : 248,986.17 = 99,873.54 : x
  2. Step 2: Convert to fraction form
    180,449.82/248,986.17 = 99,873.54/x
  3. Step 3: Cross multiply
    180,449.82x = 248,986.17 × 99,873.54
  4. Step 4: Simplify right side
    180,449.82x = 24,867,130,208.94
  5. Step 5: Solve for x
    x = 24,867,130,208.94/180,449.82
  6. Step 6: Final answer
    x = 137,806.35

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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.