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Finding the Fourth Proportional to 111,268.94, 153,551.23 and 60,967.94

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Solution

The fourth proportional to 111,268.94, 153,551.23 and 60,967.94 is: 84,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,268.94 : 153,551.23 = 60,967.94 : x
  2. Step 2: Convert to fraction form
    111,268.94/153,551.23 = 60,967.94/x
  3. Step 3: Cross multiply
    111,268.94x = 153,551.23 × 60,967.94
  4. Step 4: Simplify right side
    111,268.94x = 9,361,702,177.57
  5. Step 5: Solve for x
    x = 9,361,702,177.57/111,268.94
  6. Step 6: Final answer
    x = 84,135.81

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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.