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Finding the Fourth Proportional to 111,782.73, 154,260.81 and 60,796.07

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Solution

The fourth proportional to 111,782.73, 154,260.81 and 60,796.07 is: 83,898.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,782.73 : 154,260.81 = 60,796.07 : x
  2. Step 2: Convert to fraction form
    111,782.73/154,260.81 = 60,796.07/x
  3. Step 3: Cross multiply
    111,782.73x = 154,260.81 × 60,796.07
  4. Step 4: Simplify right side
    111,782.73x = 9,378,450,231.71
  5. Step 5: Solve for x
    x = 9,378,450,231.71/111,782.73
  6. Step 6: Final answer
    x = 83,898.92

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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.