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Finding the Fourth Proportional to 150,071.70, 225,024.43 and 61,387.48

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Solution

The fourth proportional to 150,071.70, 225,024.43 and 61,387.48 is: 92,047.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,071.70 : 225,024.43 = 61,387.48 : x
  2. Step 2: Convert to fraction form
    150,071.70/225,024.43 = 61,387.48/x
  3. Step 3: Cross multiply
    150,071.70x = 225,024.43 × 61,387.48
  4. Step 4: Simplify right side
    150,071.70x = 13,813,682,696.14
  5. Step 5: Solve for x
    x = 13,813,682,696.14/150,071.70
  6. Step 6: Final answer
    x = 92,047.22

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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.