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Finding the Fourth Proportional to 345,371.50, 518,086.41 and 96,053.50

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Solution

The fourth proportional to 345,371.50, 518,086.41 and 96,053.50 is: 144,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,371.50 : 518,086.41 = 96,053.50 : x
  2. Step 2: Convert to fraction form
    345,371.50/518,086.41 = 96,053.50/x
  3. Step 3: Cross multiply
    345,371.50x = 518,086.41 × 96,053.50
  4. Step 4: Simplify right side
    345,371.50x = 49,764,012,982.94
  5. Step 5: Solve for x
    x = 49,764,012,982.94/345,371.50
  6. Step 6: Final answer
    x = 144,088.36

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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.