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Finding the Fourth Proportional to 111,908.20, 167,862.30 and 41,783.80

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Solution

The fourth proportional to 111,908.20, 167,862.30 and 41,783.80 is: 62,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,908.20 : 167,862.30 = 41,783.80 : x
  2. Step 2: Convert to fraction form
    111,908.20/167,862.30 = 41,783.80/x
  3. Step 3: Cross multiply
    111,908.20x = 167,862.30 × 41,783.80
  4. Step 4: Simplify right side
    111,908.20x = 7,013,924,770.74
  5. Step 5: Solve for x
    x = 7,013,924,770.74/111,908.20
  6. Step 6: Final answer
    x = 62,675.70

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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.