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Finding the Fourth Proportional to 111,889.14, 167,907.33 and 52,741.50

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Solution

The fourth proportional to 111,889.14, 167,907.33 and 52,741.50 is: 79,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,889.14 : 167,907.33 = 52,741.50 : x
  2. Step 2: Convert to fraction form
    111,889.14/167,907.33 = 52,741.50/x
  3. Step 3: Cross multiply
    111,889.14x = 167,907.33 × 52,741.50
  4. Step 4: Simplify right side
    111,889.14x = 8,855,684,445.20
  5. Step 5: Solve for x
    x = 8,855,684,445.20/111,889.14
  6. Step 6: Final answer
    x = 79,146.95

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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.