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Finding the Fourth Proportional to 147,224.36, 220,871.78 and 47,393.89

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Solution

The fourth proportional to 147,224.36, 220,871.78 and 47,393.89 is: 71,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,224.36 : 220,871.78 = 47,393.89 : x
  2. Step 2: Convert to fraction form
    147,224.36/220,871.78 = 47,393.89/x
  3. Step 3: Cross multiply
    147,224.36x = 220,871.78 × 47,393.89
  4. Step 4: Simplify right side
    147,224.36x = 10,467,972,845.42
  5. Step 5: Solve for x
    x = 10,467,972,845.42/147,224.36
  6. Step 6: Final answer
    x = 71,102.18

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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.