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Finding the Fourth Proportional to 67,453.74, 101,180.55 and 20,068.64

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Solution

The fourth proportional to 67,453.74, 101,180.55 and 20,068.64 is: 30,102.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,453.74 : 101,180.55 = 20,068.64 : x
  2. Step 2: Convert to fraction form
    67,453.74/101,180.55 = 20,068.64/x
  3. Step 3: Cross multiply
    67,453.74x = 101,180.55 × 20,068.64
  4. Step 4: Simplify right side
    67,453.74x = 2,030,556,032.95
  5. Step 5: Solve for x
    x = 2,030,556,032.95/67,453.74
  6. Step 6: Final answer
    x = 30,102.94

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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.