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Finding the Fourth Proportional to 111,842.34, 167,772.81 and 48,664.62

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Solution

The fourth proportional to 111,842.34, 167,772.81 and 48,664.62 is: 73,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,842.34 : 167,772.81 = 48,664.62 : x
  2. Step 2: Convert to fraction form
    111,842.34/167,772.81 = 48,664.62/x
  3. Step 3: Cross multiply
    111,842.34x = 167,772.81 × 48,664.62
  4. Step 4: Simplify right side
    111,842.34x = 8,164,600,044.98
  5. Step 5: Solve for x
    x = 8,164,600,044.98/111,842.34
  6. Step 6: Final answer
    x = 73,000.98

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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.