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Finding the Fourth Proportional to 101,203.91, 151,602.82 and 92,936.51

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Solution

The fourth proportional to 101,203.91, 151,602.82 and 92,936.51 is: 139,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,203.91 : 151,602.82 = 92,936.51 : x
  2. Step 2: Convert to fraction form
    101,203.91/151,602.82 = 92,936.51/x
  3. Step 3: Cross multiply
    101,203.91x = 151,602.82 × 92,936.51
  4. Step 4: Simplify right side
    101,203.91x = 14,089,436,996.96
  5. Step 5: Solve for x
    x = 14,089,436,996.96/101,203.91
  6. Step 6: Final answer
    x = 139,218.31

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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.