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Finding the Fourth Proportional to 111,107.96, 153,327.87 and 60,119.57

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Solution

The fourth proportional to 111,107.96, 153,327.87 and 60,119.57 is: 82,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,107.96 : 153,327.87 = 60,119.57 : x
  2. Step 2: Convert to fraction form
    111,107.96/153,327.87 = 60,119.57/x
  3. Step 3: Cross multiply
    111,107.96x = 153,327.87 × 60,119.57
  4. Step 4: Simplify right side
    111,107.96x = 9,218,004,846.78
  5. Step 5: Solve for x
    x = 9,218,004,846.78/111,107.96
  6. Step 6: Final answer
    x = 82,964.40

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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.