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Finding the Fourth Proportional to 217,100.80, 325,090.36 and 149,840.44

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Solution

The fourth proportional to 217,100.80, 325,090.36 and 149,840.44 is: 224,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,100.80 : 325,090.36 = 149,840.44 : x
  2. Step 2: Convert to fraction form
    217,100.80/325,090.36 = 149,840.44/x
  3. Step 3: Cross multiply
    217,100.80x = 325,090.36 × 149,840.44
  4. Step 4: Simplify right side
    217,100.80x = 48,711,682,582.16
  5. Step 5: Solve for x
    x = 48,711,682,582.16/217,100.80
  6. Step 6: Final answer
    x = 224,373.57

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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.