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Finding the Fourth Proportional to 66,236.94, 91,360.71 and 44,979.30

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Solution

The fourth proportional to 66,236.94, 91,360.71 and 44,979.30 is: 62,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,236.94 : 91,360.71 = 44,979.30 : x
  2. Step 2: Convert to fraction form
    66,236.94/91,360.71 = 44,979.30/x
  3. Step 3: Cross multiply
    66,236.94x = 91,360.71 × 44,979.30
  4. Step 4: Simplify right side
    66,236.94x = 4,109,340,783.30
  5. Step 5: Solve for x
    x = 4,109,340,783.30/66,236.94
  6. Step 6: Final answer
    x = 62,040.02

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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.