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Finding the Fourth Proportional to 114,609.99, 171,896.12 and 30,375.39

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Solution

The fourth proportional to 114,609.99, 171,896.12 and 30,375.39 is: 45,558.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,609.99 : 171,896.12 = 30,375.39 : x
  2. Step 2: Convert to fraction form
    114,609.99/171,896.12 = 30,375.39/x
  3. Step 3: Cross multiply
    114,609.99x = 171,896.12 × 30,375.39
  4. Step 4: Simplify right side
    114,609.99x = 5,221,411,684.49
  5. Step 5: Solve for x
    x = 5,221,411,684.49/114,609.99
  6. Step 6: Final answer
    x = 45,558.09

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1.5x scale

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.