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Finding the Fourth Proportional to 178,515.36, 267,769.26 and 73,259.91

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Solution

The fourth proportional to 178,515.36, 267,769.26 and 73,259.91 is: 109,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,515.36 : 267,769.26 = 73,259.91 : x
  2. Step 2: Convert to fraction form
    178,515.36/267,769.26 = 73,259.91/x
  3. Step 3: Cross multiply
    178,515.36x = 267,769.26 × 73,259.91
  4. Step 4: Simplify right side
    178,515.36x = 19,616,751,888.37
  5. Step 5: Solve for x
    x = 19,616,751,888.37/178,515.36
  6. Step 6: Final answer
    x = 109,888.31

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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.