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Finding the Fourth Proportional to 60,173.64, 83,040 and 33,317.88

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Solution

The fourth proportional to 60,173.64, 83,040 and 33,317.88 is: 45,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,173.64 : 83,040 = 33,317.88 : x
  2. Step 2: Convert to fraction form
    60,173.64/83,040 = 33,317.88/x
  3. Step 3: Cross multiply
    60,173.64x = 83,040 × 33,317.88
  4. Step 4: Simplify right side
    60,173.64x = 2,766,716,755.20
  5. Step 5: Solve for x
    x = 2,766,716,755.20/60,173.64
  6. Step 6: Final answer
    x = 45,978.88

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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.