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Finding the Fourth Proportional to 111,271.60, 166,907.40 and 49,063.60

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Solution

The fourth proportional to 111,271.60, 166,907.40 and 49,063.60 is: 73,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,271.60 : 166,907.40 = 49,063.60 : x
  2. Step 2: Convert to fraction form
    111,271.60/166,907.40 = 49,063.60/x
  3. Step 3: Cross multiply
    111,271.60x = 166,907.40 × 49,063.60
  4. Step 4: Simplify right side
    111,271.60x = 8,189,077,910.64
  5. Step 5: Solve for x
    x = 8,189,077,910.64/111,271.60
  6. Step 6: Final answer
    x = 73,595.40

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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.