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Finding the Fourth Proportional to 73,244.40, 109,866.60 and 61,839.60

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Solution

The fourth proportional to 73,244.40, 109,866.60 and 61,839.60 is: 92,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,244.40 : 109,866.60 = 61,839.60 : x
  2. Step 2: Convert to fraction form
    73,244.40/109,866.60 = 61,839.60/x
  3. Step 3: Cross multiply
    73,244.40x = 109,866.60 × 61,839.60
  4. Step 4: Simplify right side
    73,244.40x = 6,794,106,597.36
  5. Step 5: Solve for x
    x = 6,794,106,597.36/73,244.40
  6. Step 6: Final answer
    x = 92,759.40

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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.