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Finding the Fourth Proportional to 133,934.21, 200,932 and 58,045.50

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Solution

The fourth proportional to 133,934.21, 200,932 and 58,045.50 is: 87,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,934.21 : 200,932 = 58,045.50 : x
  2. Step 2: Convert to fraction form
    133,934.21/200,932 = 58,045.50/x
  3. Step 3: Cross multiply
    133,934.21x = 200,932 × 58,045.50
  4. Step 4: Simplify right side
    133,934.21x = 11,663,198,406
  5. Step 5: Solve for x
    x = 11,663,198,406/133,934.21
  6. Step 6: Final answer
    x = 87,081.55

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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.