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Finding the Fourth Proportional to 269,455.87, 371,851.73 and 154,733.14

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Solution

The fourth proportional to 269,455.87, 371,851.73 and 154,733.14 is: 213,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,455.87 : 371,851.73 = 154,733.14 : x
  2. Step 2: Convert to fraction form
    269,455.87/371,851.73 = 154,733.14/x
  3. Step 3: Cross multiply
    269,455.87x = 371,851.73 × 154,733.14
  4. Step 4: Simplify right side
    269,455.87x = 57,537,785,797.33
  5. Step 5: Solve for x
    x = 57,537,785,797.33/269,455.87
  6. Step 6: Final answer
    x = 213,533.24

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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.