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Finding the Fourth Proportional to 111,816.20, 167,675.70 and 36,907.40

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Solution

The fourth proportional to 111,816.20, 167,675.70 and 36,907.40 is: 55,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,816.20 : 167,675.70 = 36,907.40 : x
  2. Step 2: Convert to fraction form
    111,816.20/167,675.70 = 36,907.40/x
  3. Step 3: Cross multiply
    111,816.20x = 167,675.70 × 36,907.40
  4. Step 4: Simplify right side
    111,816.20x = 6,188,474,130.18
  5. Step 5: Solve for x
    x = 6,188,474,130.18/111,816.20
  6. Step 6: Final answer
    x = 55,345.06

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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.