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Finding the Fourth Proportional to 217,351.15, 325,796.58 and 73,119.64

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Solution

The fourth proportional to 217,351.15, 325,796.58 and 73,119.64 is: 109,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,351.15 : 325,796.58 = 73,119.64 : x
  2. Step 2: Convert to fraction form
    217,351.15/325,796.58 = 73,119.64/x
  3. Step 3: Cross multiply
    217,351.15x = 325,796.58 × 73,119.64
  4. Step 4: Simplify right side
    217,351.15x = 23,822,128,642.83
  5. Step 5: Solve for x
    x = 23,822,128,642.83/217,351.15
  6. Step 6: Final answer
    x = 109,602.04

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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.