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Finding the Fourth Proportional to 144,512.70, 216,736.65 and 94,940.70

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Solution

The fourth proportional to 144,512.70, 216,736.65 and 94,940.70 is: 142,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,512.70 : 216,736.65 = 94,940.70 : x
  2. Step 2: Convert to fraction form
    144,512.70/216,736.65 = 94,940.70/x
  3. Step 3: Cross multiply
    144,512.70x = 216,736.65 × 94,940.70
  4. Step 4: Simplify right side
    144,512.70x = 20,577,129,266.66
  5. Step 5: Solve for x
    x = 20,577,129,266.66/144,512.70
  6. Step 6: Final answer
    x = 142,389.76

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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.