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Finding the Fourth Proportional to 222,373.23, 306,871.36 and 120,397.87

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Solution

The fourth proportional to 222,373.23, 306,871.36 and 120,397.87 is: 166,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,373.23 : 306,871.36 = 120,397.87 : x
  2. Step 2: Convert to fraction form
    222,373.23/306,871.36 = 120,397.87/x
  3. Step 3: Cross multiply
    222,373.23x = 306,871.36 × 120,397.87
  4. Step 4: Simplify right side
    222,373.23x = 36,946,658,108.00
  5. Step 5: Solve for x
    x = 36,946,658,108.00/222,373.23
  6. Step 6: Final answer
    x = 166,147.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.