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Finding the Fourth Proportional to 114,617.94, 171,918.77 and 30,376.23

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Solution

The fourth proportional to 114,617.94, 171,918.77 and 30,376.23 is: 45,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,617.94 : 171,918.77 = 30,376.23 : x
  2. Step 2: Convert to fraction form
    114,617.94/171,918.77 = 30,376.23/x
  3. Step 3: Cross multiply
    114,617.94x = 171,918.77 × 30,376.23
  4. Step 4: Simplify right side
    114,617.94x = 5,222,244,098.84
  5. Step 5: Solve for x
    x = 5,222,244,098.84/114,617.94
  6. Step 6: Final answer
    x = 45,562.19

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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.