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Finding the Fourth Proportional to 111,737.72, 167,611.75 and 36,864.41

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Solution

The fourth proportional to 111,737.72, 167,611.75 and 36,864.41 is: 55,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,737.72 : 167,611.75 = 36,864.41 : x
  2. Step 2: Convert to fraction form
    111,737.72/167,611.75 = 36,864.41/x
  3. Step 3: Cross multiply
    111,737.72x = 167,611.75 × 36,864.41
  4. Step 4: Simplify right side
    111,737.72x = 6,178,908,216.29
  5. Step 5: Solve for x
    x = 6,178,908,216.29/111,737.72
  6. Step 6: Final answer
    x = 55,298.32

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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.