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Finding the Fourth Proportional to 220,700.66, 331,083.93 and 102,383.96

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Solution

The fourth proportional to 220,700.66, 331,083.93 and 102,383.96 is: 153,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,700.66 : 331,083.93 = 102,383.96 : x
  2. Step 2: Convert to fraction form
    220,700.66/331,083.93 = 102,383.96/x
  3. Step 3: Cross multiply
    220,700.66x = 331,083.93 × 102,383.96
  4. Step 4: Simplify right side
    220,700.66x = 33,897,683,845.76
  5. Step 5: Solve for x
    x = 33,897,683,845.76/220,700.66
  6. Step 6: Final answer
    x = 153,591.22

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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.