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Finding the Fourth Proportional to 111,783.73, 154,262.19 and 60,797.07

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Solution

The fourth proportional to 111,783.73, 154,262.19 and 60,797.07 is: 83,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,783.73 : 154,262.19 = 60,797.07 : x
  2. Step 2: Convert to fraction form
    111,783.73/154,262.19 = 60,797.07/x
  3. Step 3: Cross multiply
    111,783.73x = 154,262.19 × 60,797.07
  4. Step 4: Simplify right side
    111,783.73x = 9,378,689,163.78
  5. Step 5: Solve for x
    x = 9,378,689,163.78/111,783.73
  6. Step 6: Final answer
    x = 83,900.31

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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.