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Finding the Fourth Proportional to 133,256.99, 199,856.05 and 38,466.58

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Solution

The fourth proportional to 133,256.99, 199,856.05 and 38,466.58 is: 57,691.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,256.99 : 199,856.05 = 38,466.58 : x
  2. Step 2: Convert to fraction form
    133,256.99/199,856.05 = 38,466.58/x
  3. Step 3: Cross multiply
    133,256.99x = 199,856.05 × 38,466.58
  4. Step 4: Simplify right side
    133,256.99x = 7,687,778,622.92
  5. Step 5: Solve for x
    x = 7,687,778,622.92/133,256.99
  6. Step 6: Final answer
    x = 57,691.37

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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.