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Finding the Fourth Proportional to 149,843.70, 224,765.55 and 61,048.80

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Solution

The fourth proportional to 149,843.70, 224,765.55 and 61,048.80 is: 91,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,843.70 : 224,765.55 = 61,048.80 : x
  2. Step 2: Convert to fraction form
    149,843.70/224,765.55 = 61,048.80/x
  3. Step 3: Cross multiply
    149,843.70x = 224,765.55 × 61,048.80
  4. Step 4: Simplify right side
    149,843.70x = 13,721,667,108.84
  5. Step 5: Solve for x
    x = 13,721,667,108.84/149,843.70
  6. Step 6: Final answer
    x = 91,573.20

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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.