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Finding the Fourth Proportional to 141,069.39, 194,675.76 and 80,641.37

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Solution

The fourth proportional to 141,069.39, 194,675.76 and 80,641.37 is: 111,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,069.39 : 194,675.76 = 80,641.37 : x
  2. Step 2: Convert to fraction form
    141,069.39/194,675.76 = 80,641.37/x
  3. Step 3: Cross multiply
    141,069.39x = 194,675.76 × 80,641.37
  4. Step 4: Simplify right side
    141,069.39x = 15,698,919,018.81
  5. Step 5: Solve for x
    x = 15,698,919,018.81/141,069.39
  6. Step 6: Final answer
    x = 111,285.08

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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.