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Finding the Fourth Proportional to 186,704.32, 278,865.94 and 168,907.44

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Solution

The fourth proportional to 186,704.32, 278,865.94 and 168,907.44 is: 252,284.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,704.32 : 278,865.94 = 168,907.44 : x
  2. Step 2: Convert to fraction form
    186,704.32/278,865.94 = 168,907.44/x
  3. Step 3: Cross multiply
    186,704.32x = 278,865.94 × 168,907.44
  4. Step 4: Simplify right side
    186,704.32x = 47,102,532,028.59
  5. Step 5: Solve for x
    x = 47,102,532,028.59/186,704.32
  6. Step 6: Final answer
    x = 252,284.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.