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Finding the Fourth Proportional to 265,889.26, 366,932.18 and 145,034.87

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Solution

The fourth proportional to 265,889.26, 366,932.18 and 145,034.87 is: 200,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,889.26 : 366,932.18 = 145,034.87 : x
  2. Step 2: Convert to fraction form
    265,889.26/366,932.18 = 145,034.87/x
  3. Step 3: Cross multiply
    265,889.26x = 366,932.18 × 145,034.87
  4. Step 4: Simplify right side
    265,889.26x = 53,217,958,465.28
  5. Step 5: Solve for x
    x = 53,217,958,465.28/265,889.26
  6. Step 6: Final answer
    x = 200,150.84

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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.