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Finding the Fourth Proportional to 111,195.40, 166,814.70 and 48,015.40

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Solution

The fourth proportional to 111,195.40, 166,814.70 and 48,015.40 is: 72,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,195.40 : 166,814.70 = 48,015.40 : x
  2. Step 2: Convert to fraction form
    111,195.40/166,814.70 = 48,015.40/x
  3. Step 3: Cross multiply
    111,195.40x = 166,814.70 × 48,015.40
  4. Step 4: Simplify right side
    111,195.40x = 8,009,674,546.38
  5. Step 5: Solve for x
    x = 8,009,674,546.38/111,195.40
  6. Step 6: Final answer
    x = 72,032.43

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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.