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Finding the Fourth Proportional to 180,335.18, 248,784.32 and 108,674.48

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Solution

The fourth proportional to 180,335.18, 248,784.32 and 108,674.48 is: 149,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,335.18 : 248,784.32 = 108,674.48 : x
  2. Step 2: Convert to fraction form
    180,335.18/248,784.32 = 108,674.48/x
  3. Step 3: Cross multiply
    180,335.18x = 248,784.32 × 108,674.48
  4. Step 4: Simplify right side
    180,335.18x = 27,036,504,820.86
  5. Step 5: Solve for x
    x = 27,036,504,820.86/180,335.18
  6. Step 6: Final answer
    x = 149,923.63

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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.