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Finding the Fourth Proportional to 111,336.96, 167,015.76 and 36,457.68

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Solution

The fourth proportional to 111,336.96, 167,015.76 and 36,457.68 is: 54,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,336.96 : 167,015.76 = 36,457.68 : x
  2. Step 2: Convert to fraction form
    111,336.96/167,015.76 = 36,457.68/x
  3. Step 3: Cross multiply
    111,336.96x = 167,015.76 × 36,457.68
  4. Step 4: Simplify right side
    111,336.96x = 6,089,007,133.04
  5. Step 5: Solve for x
    x = 6,089,007,133.04/111,336.96
  6. Step 6: Final answer
    x = 54,689.90

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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.