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Finding the Fourth Proportional to 230,004.40, 344,904.20 and 105,383.60

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Solution

The fourth proportional to 230,004.40, 344,904.20 and 105,383.60 is: 158,028.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,004.40 : 344,904.20 = 105,383.60 : x
  2. Step 2: Convert to fraction form
    230,004.40/344,904.20 = 105,383.60/x
  3. Step 3: Cross multiply
    230,004.40x = 344,904.20 × 105,383.60
  4. Step 4: Simplify right side
    230,004.40x = 36,347,246,251.12
  5. Step 5: Solve for x
    x = 36,347,246,251.12/230,004.40
  6. Step 6: Final answer
    x = 158,028.48

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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.