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Finding the Fourth Proportional to 74,093.66, 102,228.36 and 43,865.72

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Solution

The fourth proportional to 74,093.66, 102,228.36 and 43,865.72 is: 60,522.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,093.66 : 102,228.36 = 43,865.72 : x
  2. Step 2: Convert to fraction form
    74,093.66/102,228.36 = 43,865.72/x
  3. Step 3: Cross multiply
    74,093.66x = 102,228.36 × 43,865.72
  4. Step 4: Simplify right side
    74,093.66x = 4,484,320,615.82
  5. Step 5: Solve for x
    x = 4,484,320,615.82/74,093.66
  6. Step 6: Final answer
    x = 60,522.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.