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Finding the Fourth Proportional to 127,134.48, 190,721.88 and 44,034.96

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Solution

The fourth proportional to 127,134.48, 190,721.88 and 44,034.96 is: 66,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,134.48 : 190,721.88 = 44,034.96 : x
  2. Step 2: Convert to fraction form
    127,134.48/190,721.88 = 44,034.96/x
  3. Step 3: Cross multiply
    127,134.48x = 190,721.88 × 44,034.96
  4. Step 4: Simplify right side
    127,134.48x = 8,398,430,356.92
  5. Step 5: Solve for x
    x = 8,398,430,356.92/127,134.48
  6. Step 6: Final answer
    x = 66,059.42

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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.