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Finding the Fourth Proportional to 273,169.49, 409,403.56 and 130,801.44

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Solution

The fourth proportional to 273,169.49, 409,403.56 and 130,801.44 is: 196,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,169.49 : 409,403.56 = 130,801.44 : x
  2. Step 2: Convert to fraction form
    273,169.49/409,403.56 = 130,801.44/x
  3. Step 3: Cross multiply
    273,169.49x = 409,403.56 × 130,801.44
  4. Step 4: Simplify right side
    273,169.49x = 53,550,574,862.12
  5. Step 5: Solve for x
    x = 53,550,574,862.12/273,169.49
  6. Step 6: Final answer
    x = 196,034.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.