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Finding the Fourth Proportional to 133,393.42, 200,146.29 and 58,474.90

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Solution

The fourth proportional to 133,393.42, 200,146.29 and 58,474.90 is: 87,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,393.42 : 200,146.29 = 58,474.90 : x
  2. Step 2: Convert to fraction form
    133,393.42/200,146.29 = 58,474.90/x
  3. Step 3: Cross multiply
    133,393.42x = 200,146.29 × 58,474.90
  4. Step 4: Simplify right side
    133,393.42x = 11,703,534,293.12
  5. Step 5: Solve for x
    x = 11,703,534,293.12/133,393.42
  6. Step 6: Final answer
    x = 87,736.97

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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.