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Finding the Fourth Proportional to 134,020.78, 201,035.99 and 67,424.67

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Solution

The fourth proportional to 134,020.78, 201,035.99 and 67,424.67 is: 101,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,020.78 : 201,035.99 = 67,424.67 : x
  2. Step 2: Convert to fraction form
    134,020.78/201,035.99 = 67,424.67/x
  3. Step 3: Cross multiply
    134,020.78x = 201,035.99 × 67,424.67
  4. Step 4: Simplify right side
    134,020.78x = 13,554,785,452.44
  5. Step 5: Solve for x
    x = 13,554,785,452.44/134,020.78
  6. Step 6: Final answer
    x = 101,139.43

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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.