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Finding the Fourth Proportional to 159,291.63, 219,787.16 and 92,184.75

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Solution

The fourth proportional to 159,291.63, 219,787.16 and 92,184.75 is: 127,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,291.63 : 219,787.16 = 92,184.75 : x
  2. Step 2: Convert to fraction form
    159,291.63/219,787.16 = 92,184.75/x
  3. Step 3: Cross multiply
    159,291.63x = 219,787.16 × 92,184.75
  4. Step 4: Simplify right side
    159,291.63x = 20,261,023,936.89
  5. Step 5: Solve for x
    x = 20,261,023,936.89/159,291.63
  6. Step 6: Final answer
    x = 127,194.53

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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.