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Finding the Fourth Proportional to 127,288.32, 190,932.48 and 44,182.08

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Solution

The fourth proportional to 127,288.32, 190,932.48 and 44,182.08 is: 66,273.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,288.32 : 190,932.48 = 44,182.08 : x
  2. Step 2: Convert to fraction form
    127,288.32/190,932.48 = 44,182.08/x
  3. Step 3: Cross multiply
    127,288.32x = 190,932.48 × 44,182.08
  4. Step 4: Simplify right side
    127,288.32x = 8,435,794,105.96
  5. Step 5: Solve for x
    x = 8,435,794,105.96/127,288.32
  6. Step 6: Final answer
    x = 66,273.12

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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.