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Finding the Fourth Proportional to 111,840.84, 167,770.56 and 48,663.12

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Solution

The fourth proportional to 111,840.84, 167,770.56 and 48,663.12 is: 72,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,840.84 : 167,770.56 = 48,663.12 : x
  2. Step 2: Convert to fraction form
    111,840.84/167,770.56 = 48,663.12/x
  3. Step 3: Cross multiply
    111,840.84x = 167,770.56 × 48,663.12
  4. Step 4: Simplify right side
    111,840.84x = 8,164,238,893.75
  5. Step 5: Solve for x
    x = 8,164,238,893.75/111,840.84
  6. Step 6: Final answer
    x = 72,998.73

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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.