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Finding the Fourth Proportional to 131,694.54, 197,562.87 and 42,941.22

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Solution

The fourth proportional to 131,694.54, 197,562.87 and 42,941.22 is: 64,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,694.54 : 197,562.87 = 42,941.22 : x
  2. Step 2: Convert to fraction form
    131,694.54/197,562.87 = 42,941.22/x
  3. Step 3: Cross multiply
    131,694.54x = 197,562.87 × 42,941.22
  4. Step 4: Simplify right side
    131,694.54x = 8,483,590,664.50
  5. Step 5: Solve for x
    x = 8,483,590,664.50/131,694.54
  6. Step 6: Final answer
    x = 64,418.70

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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.