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Finding the Fourth Proportional to 111,347.70, 166,980.06 and 44,765.40

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Solution

The fourth proportional to 111,347.70, 166,980.06 and 44,765.40 is: 67,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,347.70 : 166,980.06 = 44,765.40 : x
  2. Step 2: Convert to fraction form
    111,347.70/166,980.06 = 44,765.40/x
  3. Step 3: Cross multiply
    111,347.70x = 166,980.06 × 44,765.40
  4. Step 4: Simplify right side
    111,347.70x = 7,474,929,177.92
  5. Step 5: Solve for x
    x = 7,474,929,177.92/111,347.70
  6. Step 6: Final answer
    x = 67,131.42

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1.5x scale

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.