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Finding the Fourth Proportional to 201,794.52, 301,944.36 and 126,313.24

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Solution

The fourth proportional to 201,794.52, 301,944.36 and 126,313.24 is: 189,002.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,794.52 : 301,944.36 = 126,313.24 : x
  2. Step 2: Convert to fraction form
    201,794.52/301,944.36 = 126,313.24/x
  3. Step 3: Cross multiply
    201,794.52x = 301,944.36 × 126,313.24
  4. Step 4: Simplify right side
    201,794.52x = 38,139,570,411.33
  5. Step 5: Solve for x
    x = 38,139,570,411.33/201,794.52
  6. Step 6: Final answer
    x = 189,002.01

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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.