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Finding the Fourth Proportional to 61,664.67, 92,419.13 and 51,400.35

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Solution

The fourth proportional to 61,664.67, 92,419.13 and 51,400.35 is: 77,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,664.67 : 92,419.13 = 51,400.35 : x
  2. Step 2: Convert to fraction form
    61,664.67/92,419.13 = 51,400.35/x
  3. Step 3: Cross multiply
    61,664.67x = 92,419.13 × 51,400.35
  4. Step 4: Simplify right side
    61,664.67x = 4,750,375,371.69
  5. Step 5: Solve for x
    x = 4,750,375,371.69/61,664.67
  6. Step 6: Final answer
    x = 77,035.61

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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.