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Finding the Fourth Proportional to 131,009.74, 196,374.49 and 67,766.22

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Solution

The fourth proportional to 131,009.74, 196,374.49 and 67,766.22 is: 101,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,009.74 : 196,374.49 = 67,766.22 : x
  2. Step 2: Convert to fraction form
    131,009.74/196,374.49 = 67,766.22/x
  3. Step 3: Cross multiply
    131,009.74x = 196,374.49 × 67,766.22
  4. Step 4: Simplify right side
    131,009.74x = 13,307,556,722.31
  5. Step 5: Solve for x
    x = 13,307,556,722.31/131,009.74
  6. Step 6: Final answer
    x = 101,576.85

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1.5x scale

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.