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Finding the Fourth Proportional to 111,777.14, 154,173.14 and 68,700.07

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Solution

The fourth proportional to 111,777.14, 154,173.14 and 68,700.07 is: 94,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,777.14 : 154,173.14 = 68,700.07 : x
  2. Step 2: Convert to fraction form
    111,777.14/154,173.14 = 68,700.07/x
  3. Step 3: Cross multiply
    111,777.14x = 154,173.14 × 68,700.07
  4. Step 4: Simplify right side
    111,777.14x = 10,591,705,616.96
  5. Step 5: Solve for x
    x = 10,591,705,616.96/111,777.14
  6. Step 6: Final answer
    x = 94,757.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.