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Finding the Fourth Proportional to 107,218.88, 160,828.32 and 44,028.25

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Solution

The fourth proportional to 107,218.88, 160,828.32 and 44,028.25 is: 66,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,218.88 : 160,828.32 = 44,028.25 : x
  2. Step 2: Convert to fraction form
    107,218.88/160,828.32 = 44,028.25/x
  3. Step 3: Cross multiply
    107,218.88x = 160,828.32 × 44,028.25
  4. Step 4: Simplify right side
    107,218.88x = 7,080,989,480.04
  5. Step 5: Solve for x
    x = 7,080,989,480.04/107,218.88
  6. Step 6: Final answer
    x = 66,042.38

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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.