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Finding the Fourth Proportional to 133,289.70, 199,732.86 and 58,367.94

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Solution

The fourth proportional to 133,289.70, 199,732.86 and 58,367.94 is: 87,463.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,289.70 : 199,732.86 = 58,367.94 : x
  2. Step 2: Convert to fraction form
    133,289.70/199,732.86 = 58,367.94/x
  3. Step 3: Cross multiply
    133,289.70x = 199,732.86 × 58,367.94
  4. Step 4: Simplify right side
    133,289.70x = 11,657,995,588.51
  5. Step 5: Solve for x
    x = 11,657,995,588.51/133,289.70
  6. Step 6: Final answer
    x = 87,463.59

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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.