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Finding the Fourth Proportional to 180,433.44, 248,998.62 and 99,866.52

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Solution

The fourth proportional to 180,433.44, 248,998.62 and 99,866.52 is: 137,816.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,433.44 : 248,998.62 = 99,866.52 : x
  2. Step 2: Convert to fraction form
    180,433.44/248,998.62 = 99,866.52/x
  3. Step 3: Cross multiply
    180,433.44x = 248,998.62 × 99,866.52
  4. Step 4: Simplify right side
    180,433.44x = 24,866,625,664.20
  5. Step 5: Solve for x
    x = 24,866,625,664.20/180,433.44
  6. Step 6: Final answer
    x = 137,816.06

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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.