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Finding the Fourth Proportional to 265,889.64, 366,919.02 and 151,161.24

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Solution

The fourth proportional to 265,889.64, 366,919.02 and 151,161.24 is: 208,597.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,889.64 : 366,919.02 = 151,161.24 : x
  2. Step 2: Convert to fraction form
    265,889.64/366,919.02 = 151,161.24/x
  3. Step 3: Cross multiply
    265,889.64x = 366,919.02 × 151,161.24
  4. Step 4: Simplify right side
    265,889.64x = 55,463,934,042.78
  5. Step 5: Solve for x
    x = 55,463,934,042.78/265,889.64
  6. Step 6: Final answer
    x = 208,597.57

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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.