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Finding the Fourth Proportional to 114,490.70, 171,736.05 and 84,966.20

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Solution

The fourth proportional to 114,490.70, 171,736.05 and 84,966.20 is: 127,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,490.70 : 171,736.05 = 84,966.20 : x
  2. Step 2: Convert to fraction form
    114,490.70/171,736.05 = 84,966.20/x
  3. Step 3: Cross multiply
    114,490.70x = 171,736.05 × 84,966.20
  4. Step 4: Simplify right side
    114,490.70x = 14,591,759,571.51
  5. Step 5: Solve for x
    x = 14,591,759,571.51/114,490.70
  6. Step 6: Final answer
    x = 127,449.30

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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.