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Finding the Fourth Proportional to 111,352.96, 167,056.72 and 36,477.12

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Solution

The fourth proportional to 111,352.96, 167,056.72 and 36,477.12 is: 54,724.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,352.96 : 167,056.72 = 36,477.12 : x
  2. Step 2: Convert to fraction form
    111,352.96/167,056.72 = 36,477.12/x
  3. Step 3: Cross multiply
    111,352.96x = 167,056.72 × 36,477.12
  4. Step 4: Simplify right side
    111,352.96x = 6,093,748,022.25
  5. Step 5: Solve for x
    x = 6,093,748,022.25/111,352.96
  6. Step 6: Final answer
    x = 54,724.62

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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.