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Finding the Fourth Proportional to 114,011.79, 171,054.57 and 54,839.73

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Solution

The fourth proportional to 114,011.79, 171,054.57 and 54,839.73 is: 82,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,011.79 : 171,054.57 = 54,839.73 : x
  2. Step 2: Convert to fraction form
    114,011.79/171,054.57 = 54,839.73/x
  3. Step 3: Cross multiply
    114,011.79x = 171,054.57 × 54,839.73
  4. Step 4: Simplify right side
    114,011.79x = 9,380,586,434.07
  5. Step 5: Solve for x
    x = 9,380,586,434.07/114,011.79
  6. Step 6: Final answer
    x = 82,277.34

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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.