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Finding the Fourth Proportional to 264,251.91, 396,378.64 and 112,409.87

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Solution

The fourth proportional to 264,251.91, 396,378.64 and 112,409.87 is: 168,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,251.91 : 396,378.64 = 112,409.87 : x
  2. Step 2: Convert to fraction form
    264,251.91/396,378.64 = 112,409.87/x
  3. Step 3: Cross multiply
    264,251.91x = 396,378.64 × 112,409.87
  4. Step 4: Simplify right side
    264,251.91x = 44,556,871,186.57
  5. Step 5: Solve for x
    x = 44,556,871,186.57/264,251.91
  6. Step 6: Final answer
    x = 168,615.13

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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.