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Finding the Fourth Proportional to 111,641.98, 154,027.83 and 69,185.02

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Solution

The fourth proportional to 111,641.98, 154,027.83 and 69,185.02 is: 95,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,641.98 : 154,027.83 = 69,185.02 : x
  2. Step 2: Convert to fraction form
    111,641.98/154,027.83 = 69,185.02/x
  3. Step 3: Cross multiply
    111,641.98x = 154,027.83 × 69,185.02
  4. Step 4: Simplify right side
    111,641.98x = 10,656,418,499.11
  5. Step 5: Solve for x
    x = 10,656,418,499.11/111,641.98
  6. Step 6: Final answer
    x = 95,451.72

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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.