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Finding the Fourth Proportional to 144,414.61, 216,553.55 and 84,460.44

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Solution

The fourth proportional to 144,414.61, 216,553.55 and 84,460.44 is: 126,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,414.61 : 216,553.55 = 84,460.44 : x
  2. Step 2: Convert to fraction form
    144,414.61/216,553.55 = 84,460.44/x
  3. Step 3: Cross multiply
    144,414.61x = 216,553.55 × 84,460.44
  4. Step 4: Simplify right side
    144,414.61x = 18,290,207,033.79
  5. Step 5: Solve for x
    x = 18,290,207,033.79/144,414.61
  6. Step 6: Final answer
    x = 126,650.67

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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.