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Finding the Fourth Proportional to 276,871.52, 414,954.12 and 134,750.54

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Solution

The fourth proportional to 276,871.52, 414,954.12 and 134,750.54 is: 201,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,871.52 : 414,954.12 = 134,750.54 : x
  2. Step 2: Convert to fraction form
    276,871.52/414,954.12 = 134,750.54/x
  3. Step 3: Cross multiply
    276,871.52x = 414,954.12 × 134,750.54
  4. Step 4: Simplify right side
    276,871.52x = 55,915,291,745.22
  5. Step 5: Solve for x
    x = 55,915,291,745.22/276,871.52
  6. Step 6: Final answer
    x = 201,953.93

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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.