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Finding the Fourth Proportional to 127,326.48, 190,989.88 and 44,162

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Solution

The fourth proportional to 127,326.48, 190,989.88 and 44,162 is: 66,243.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,326.48 : 190,989.88 = 44,162 : x
  2. Step 2: Convert to fraction form
    127,326.48/190,989.88 = 44,162/x
  3. Step 3: Cross multiply
    127,326.48x = 190,989.88 × 44,162
  4. Step 4: Simplify right side
    127,326.48x = 8,434,495,080.56
  5. Step 5: Solve for x
    x = 8,434,495,080.56/127,326.48
  6. Step 6: Final answer
    x = 66,243.06

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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.