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Finding the Fourth Proportional to 141,303.56, 194,950.69 and 87,568.97

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Solution

The fourth proportional to 141,303.56, 194,950.69 and 87,568.97 is: 120,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,303.56 : 194,950.69 = 87,568.97 : x
  2. Step 2: Convert to fraction form
    141,303.56/194,950.69 = 87,568.97/x
  3. Step 3: Cross multiply
    141,303.56x = 194,950.69 × 87,568.97
  4. Step 4: Simplify right side
    141,303.56x = 17,071,629,930.41
  5. Step 5: Solve for x
    x = 17,071,629,930.41/141,303.56
  6. Step 6: Final answer
    x = 120,815.29

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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.