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Finding the Fourth Proportional to 191,787.89, 264,761.21 and 148,672.13

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Solution

The fourth proportional to 191,787.89, 264,761.21 and 148,672.13 is: 205,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,787.89 : 264,761.21 = 148,672.13 : x
  2. Step 2: Convert to fraction form
    191,787.89/264,761.21 = 148,672.13/x
  3. Step 3: Cross multiply
    191,787.89x = 264,761.21 × 148,672.13
  4. Step 4: Simplify right side
    191,787.89x = 39,362,612,288.72
  5. Step 5: Solve for x
    x = 39,362,612,288.72/191,787.89
  6. Step 6: Final answer
    x = 205,240.34

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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.