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Finding the Fourth Proportional to 127,174.56, 190,795.80 and 44,068.56

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Solution

The fourth proportional to 127,174.56, 190,795.80 and 44,068.56 is: 66,114.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,174.56 : 190,795.80 = 44,068.56 : x
  2. Step 2: Convert to fraction form
    127,174.56/190,795.80 = 44,068.56/x
  3. Step 3: Cross multiply
    127,174.56x = 190,795.80 × 44,068.56
  4. Step 4: Simplify right side
    127,174.56x = 8,408,096,160.05
  5. Step 5: Solve for x
    x = 8,408,096,160.05/127,174.56
  6. Step 6: Final answer
    x = 66,114.61

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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.