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Finding the Fourth Proportional to 196,787.92, 295,400.40 and 101,992.72

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Solution

The fourth proportional to 196,787.92, 295,400.40 and 101,992.72 is: 153,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,787.92 : 295,400.40 = 101,992.72 : x
  2. Step 2: Convert to fraction form
    196,787.92/295,400.40 = 101,992.72/x
  3. Step 3: Cross multiply
    196,787.92x = 295,400.40 × 101,992.72
  4. Step 4: Simplify right side
    196,787.92x = 30,128,690,285.09
  5. Step 5: Solve for x
    x = 30,128,690,285.09/196,787.92
  6. Step 6: Final answer
    x = 153,102.34

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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.