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Finding the Fourth Proportional to 232,787.73, 321,223.12 and 130,796.98

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Solution

The fourth proportional to 232,787.73, 321,223.12 and 130,796.98 is: 180,486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,787.73 : 321,223.12 = 130,796.98 : x
  2. Step 2: Convert to fraction form
    232,787.73/321,223.12 = 130,796.98/x
  3. Step 3: Cross multiply
    232,787.73x = 321,223.12 × 130,796.98
  4. Step 4: Simplify right side
    232,787.73x = 42,015,014,002.18
  5. Step 5: Solve for x
    x = 42,015,014,002.18/232,787.73
  6. Step 6: Final answer
    x = 180,486.38

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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.