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Finding the Fourth Proportional to 217,362.74, 325,813.98 and 73,131.26

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Solution

The fourth proportional to 217,362.74, 325,813.98 and 73,131.26 is: 109,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,362.74 : 325,813.98 = 73,131.26 : x
  2. Step 2: Convert to fraction form
    217,362.74/325,813.98 = 73,131.26/x
  3. Step 3: Cross multiply
    217,362.74x = 325,813.98 × 73,131.26
  4. Step 4: Simplify right side
    217,362.74x = 23,827,186,883.01
  5. Step 5: Solve for x
    x = 23,827,186,883.01/217,362.74
  6. Step 6: Final answer
    x = 109,619.46

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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.