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Finding the Fourth Proportional to 111,656.44, 154,086.50 and 60,669.57

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Solution

The fourth proportional to 111,656.44, 154,086.50 and 60,669.57 is: 83,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,656.44 : 154,086.50 = 60,669.57 : x
  2. Step 2: Convert to fraction form
    111,656.44/154,086.50 = 60,669.57/x
  3. Step 3: Cross multiply
    111,656.44x = 154,086.50 × 60,669.57
  4. Step 4: Simplify right side
    111,656.44x = 9,348,362,427.30
  5. Step 5: Solve for x
    x = 9,348,362,427.30/111,656.44
  6. Step 6: Final answer
    x = 83,724.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.