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Finding the Fourth Proportional to 265,844.70, 366,851.10 and 151,107.40

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Solution

The fourth proportional to 265,844.70, 366,851.10 and 151,107.40 is: 208,519.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,844.70 : 366,851.10 = 151,107.40 : x
  2. Step 2: Convert to fraction form
    265,844.70/366,851.10 = 151,107.40/x
  3. Step 3: Cross multiply
    265,844.70x = 366,851.10 × 151,107.40
  4. Step 4: Simplify right side
    265,844.70x = 55,433,915,908.14
  5. Step 5: Solve for x
    x = 55,433,915,908.14/265,844.70
  6. Step 6: Final answer
    x = 208,519.92

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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.