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Finding the Fourth Proportional to 62,900.80, 94,224.56 and 29,119.20

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Solution

The fourth proportional to 62,900.80, 94,224.56 and 29,119.20 is: 43,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,900.80 : 94,224.56 = 29,119.20 : x
  2. Step 2: Convert to fraction form
    62,900.80/94,224.56 = 29,119.20/x
  3. Step 3: Cross multiply
    62,900.80x = 94,224.56 × 29,119.20
  4. Step 4: Simplify right side
    62,900.80x = 2,743,743,807.55
  5. Step 5: Solve for x
    x = 2,743,743,807.55/62,900.80
  6. Step 6: Final answer
    x = 43,620.17

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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.