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Finding the Fourth Proportional to 111,771.60, 167,657.40 and 36,903.30

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Solution

The fourth proportional to 111,771.60, 167,657.40 and 36,903.30 is: 55,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,771.60 : 167,657.40 = 36,903.30 : x
  2. Step 2: Convert to fraction form
    111,771.60/167,657.40 = 36,903.30/x
  3. Step 3: Cross multiply
    111,771.60x = 167,657.40 × 36,903.30
  4. Step 4: Simplify right side
    111,771.60x = 6,187,111,329.42
  5. Step 5: Solve for x
    x = 6,187,111,329.42/111,771.60
  6. Step 6: Final answer
    x = 55,354.95

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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.