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Finding the Fourth Proportional to 240,081.34, 331,303.34 and 132,649.06

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Solution

The fourth proportional to 240,081.34, 331,303.34 and 132,649.06 is: 183,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,081.34 : 331,303.34 = 132,649.06 : x
  2. Step 2: Convert to fraction form
    240,081.34/331,303.34 = 132,649.06/x
  3. Step 3: Cross multiply
    240,081.34x = 331,303.34 × 132,649.06
  4. Step 4: Simplify right side
    240,081.34x = 43,947,076,625.86
  5. Step 5: Solve for x
    x = 43,947,076,625.86/240,081.34
  6. Step 6: Final answer
    x = 183,050.78

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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.