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Finding the Fourth Proportional to 114,072.75, 171,109.13 and 30,966.75

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Solution

The fourth proportional to 114,072.75, 171,109.13 and 30,966.75 is: 46,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,072.75 : 171,109.13 = 30,966.75 : x
  2. Step 2: Convert to fraction form
    114,072.75/171,109.13 = 30,966.75/x
  3. Step 3: Cross multiply
    114,072.75x = 171,109.13 × 30,966.75
  4. Step 4: Simplify right side
    114,072.75x = 5,298,693,496.59
  5. Step 5: Solve for x
    x = 5,298,693,496.59/114,072.75
  6. Step 6: Final answer
    x = 46,450.13

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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.