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Finding the Fourth Proportional to 126,597.94, 189,898.73 and 33,103.69

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Solution

The fourth proportional to 126,597.94, 189,898.73 and 33,103.69 is: 49,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,597.94 : 189,898.73 = 33,103.69 : x
  2. Step 2: Convert to fraction form
    126,597.94/189,898.73 = 33,103.69/x
  3. Step 3: Cross multiply
    126,597.94x = 189,898.73 × 33,103.69
  4. Step 4: Simplify right side
    126,597.94x = 6,286,348,173.19
  5. Step 5: Solve for x
    x = 6,286,348,173.19/126,597.94
  6. Step 6: Final answer
    x = 49,656.01

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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.