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Finding the Fourth Proportional to 129,504.60, 194,284.54 and 73,371.60

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Solution

The fourth proportional to 129,504.60, 194,284.54 and 73,371.60 is: 110,073.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,504.60 : 194,284.54 = 73,371.60 : x
  2. Step 2: Convert to fraction form
    129,504.60/194,284.54 = 73,371.60/x
  3. Step 3: Cross multiply
    129,504.60x = 194,284.54 × 73,371.60
  4. Step 4: Simplify right side
    129,504.60x = 14,254,967,555.06
  5. Step 5: Solve for x
    x = 14,254,967,555.06/129,504.60
  6. Step 6: Final answer
    x = 110,073.06

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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.