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Finding the Fourth Proportional to 127,902.56, 191,736.96 and 44,751.20

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Solution

The fourth proportional to 127,902.56, 191,736.96 and 44,751.20 is: 67,085.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,902.56 : 191,736.96 = 44,751.20 : x
  2. Step 2: Convert to fraction form
    127,902.56/191,736.96 = 44,751.20/x
  3. Step 3: Cross multiply
    127,902.56x = 191,736.96 × 44,751.20
  4. Step 4: Simplify right side
    127,902.56x = 8,580,459,044.35
  5. Step 5: Solve for x
    x = 8,580,459,044.35/127,902.56
  6. Step 6: Final answer
    x = 67,085.91

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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.