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Finding the Fourth Proportional to 251,271.92, 376,760.28 and 101,516.96

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Solution

The fourth proportional to 251,271.92, 376,760.28 and 101,516.96 is: 152,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,271.92 : 376,760.28 = 101,516.96 : x
  2. Step 2: Convert to fraction form
    251,271.92/376,760.28 = 101,516.96/x
  3. Step 3: Cross multiply
    251,271.92x = 376,760.28 × 101,516.96
  4. Step 4: Simplify right side
    251,271.92x = 38,247,558,274.35
  5. Step 5: Solve for x
    x = 38,247,558,274.35/251,271.92
  6. Step 6: Final answer
    x = 152,215.81

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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.