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Finding the Fourth Proportional to 67,970.70, 101,955.87 and 44,591.58

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Solution

The fourth proportional to 67,970.70, 101,955.87 and 44,591.58 is: 66,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,970.70 : 101,955.87 = 44,591.58 : x
  2. Step 2: Convert to fraction form
    67,970.70/101,955.87 = 44,591.58/x
  3. Step 3: Cross multiply
    67,970.70x = 101,955.87 × 44,591.58
  4. Step 4: Simplify right side
    67,970.70x = 4,546,373,333.57
  5. Step 5: Solve for x
    x = 4,546,373,333.57/67,970.70
  6. Step 6: Final answer
    x = 66,887.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.