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Finding the Fourth Proportional to 64,124.82, 96,197.76 and 19,750.59

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Solution

The fourth proportional to 64,124.82, 96,197.76 and 19,750.59 is: 29,629.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,124.82 : 96,197.76 = 19,750.59 : x
  2. Step 2: Convert to fraction form
    64,124.82/96,197.76 = 19,750.59/x
  3. Step 3: Cross multiply
    64,124.82x = 96,197.76 × 19,750.59
  4. Step 4: Simplify right side
    64,124.82x = 1,899,962,516.68
  5. Step 5: Solve for x
    x = 1,899,962,516.68/64,124.82
  6. Step 6: Final answer
    x = 29,629.13

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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.