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Finding the Fourth Proportional to 113,343.80, 170,025.20 and 34,458.71

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Solution

The fourth proportional to 113,343.80, 170,025.20 and 34,458.71 is: 51,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,343.80 : 170,025.20 = 34,458.71 : x
  2. Step 2: Convert to fraction form
    113,343.80/170,025.20 = 34,458.71/x
  3. Step 3: Cross multiply
    113,343.80x = 170,025.20 × 34,458.71
  4. Step 4: Simplify right side
    113,343.80x = 5,858,848,037.07
  5. Step 5: Solve for x
    x = 5,858,848,037.07/113,343.80
  6. Step 6: Final answer
    x = 51,690.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.