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Finding the Fourth Proportional to 265,504.68, 366,400.74 and 144,651.72

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Solution

The fourth proportional to 265,504.68, 366,400.74 and 144,651.72 is: 199,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,504.68 : 366,400.74 = 144,651.72 : x
  2. Step 2: Convert to fraction form
    265,504.68/366,400.74 = 144,651.72/x
  3. Step 3: Cross multiply
    265,504.68x = 366,400.74 × 144,651.72
  4. Step 4: Simplify right side
    265,504.68x = 53,000,497,250.27
  5. Step 5: Solve for x
    x = 53,000,497,250.27/265,504.68
  6. Step 6: Final answer
    x = 199,621.71

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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.