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Finding the Fourth Proportional to 127,994.67, 192,077.70 and 53,114.88

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Solution

The fourth proportional to 127,994.67, 192,077.70 and 53,114.88 is: 79,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,994.67 : 192,077.70 = 53,114.88 : x
  2. Step 2: Convert to fraction form
    127,994.67/192,077.70 = 53,114.88/x
  3. Step 3: Cross multiply
    127,994.67x = 192,077.70 × 53,114.88
  4. Step 4: Simplify right side
    127,994.67x = 10,202,183,986.18
  5. Step 5: Solve for x
    x = 10,202,183,986.18/127,994.67
  6. Step 6: Final answer
    x = 79,707.88

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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.