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Finding the Fourth Proportional to 68,782.59, 94,831.14 and 44,540.46

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Solution

The fourth proportional to 68,782.59, 94,831.14 and 44,540.46 is: 61,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,782.59 : 94,831.14 = 44,540.46 : x
  2. Step 2: Convert to fraction form
    68,782.59/94,831.14 = 44,540.46/x
  3. Step 3: Cross multiply
    68,782.59x = 94,831.14 × 44,540.46
  4. Step 4: Simplify right side
    68,782.59x = 4,223,822,597.92
  5. Step 5: Solve for x
    x = 4,223,822,597.92/68,782.59
  6. Step 6: Final answer
    x = 61,408.31

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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.