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Finding the Fourth Proportional to 180,291.48, 248,796.03 and 99,718.75

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Solution

The fourth proportional to 180,291.48, 248,796.03 and 99,718.75 is: 137,608.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,291.48 : 248,796.03 = 99,718.75 : x
  2. Step 2: Convert to fraction form
    180,291.48/248,796.03 = 99,718.75/x
  3. Step 3: Cross multiply
    180,291.48x = 248,796.03 × 99,718.75
  4. Step 4: Simplify right side
    180,291.48x = 24,809,629,116.56
  5. Step 5: Solve for x
    x = 24,809,629,116.56/180,291.48
  6. Step 6: Final answer
    x = 137,608.44

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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.