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Finding the Fourth Proportional to 64,138.70, 96,256.65 and 41,944.70

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Solution

The fourth proportional to 64,138.70, 96,256.65 and 41,944.70 is: 62,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,138.70 : 96,256.65 = 41,944.70 : x
  2. Step 2: Convert to fraction form
    64,138.70/96,256.65 = 41,944.70/x
  3. Step 3: Cross multiply
    64,138.70x = 96,256.65 × 41,944.70
  4. Step 4: Simplify right side
    64,138.70x = 4,037,456,307.26
  5. Step 5: Solve for x
    x = 4,037,456,307.26/64,138.70
  6. Step 6: Final answer
    x = 62,948.83

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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.