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Finding the Fourth Proportional to 65,348.44, 90,208.42 and 44,156.41

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Solution

The fourth proportional to 65,348.44, 90,208.42 and 44,156.41 is: 60,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,348.44 : 90,208.42 = 44,156.41 : x
  2. Step 2: Convert to fraction form
    65,348.44/90,208.42 = 44,156.41/x
  3. Step 3: Cross multiply
    65,348.44x = 90,208.42 × 44,156.41
  4. Step 4: Simplify right side
    65,348.44x = 3,983,279,643.06
  5. Step 5: Solve for x
    x = 3,983,279,643.06/65,348.44
  6. Step 6: Final answer
    x = 60,954.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.