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Finding the Fourth Proportional to 248,576.76, 342,926.64 and 167,974.92

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Solution

The fourth proportional to 248,576.76, 342,926.64 and 167,974.92 is: 231,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,576.76 : 342,926.64 = 167,974.92 : x
  2. Step 2: Convert to fraction form
    248,576.76/342,926.64 = 167,974.92/x
  3. Step 3: Cross multiply
    248,576.76x = 342,926.64 × 167,974.92
  4. Step 4: Simplify right side
    248,576.76x = 57,603,074,919.87
  5. Step 5: Solve for x
    x = 57,603,074,919.87/248,576.76
  6. Step 6: Final answer
    x = 231,731.54

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1.5x scale

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.