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Finding the Fourth Proportional to 111,194.73, 153,448.81 and 60,207.52

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Solution

The fourth proportional to 111,194.73, 153,448.81 and 60,207.52 is: 83,086.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,194.73 : 153,448.81 = 60,207.52 : x
  2. Step 2: Convert to fraction form
    111,194.73/153,448.81 = 60,207.52/x
  3. Step 3: Cross multiply
    111,194.73x = 153,448.81 × 60,207.52
  4. Step 4: Simplify right side
    111,194.73x = 9,238,772,297.05
  5. Step 5: Solve for x
    x = 9,238,772,297.05/111,194.73
  6. Step 6: Final answer
    x = 83,086.42

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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.