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Finding the Fourth Proportional to 68,388.45, 94,391.77 and 44,473.47

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Solution

The fourth proportional to 68,388.45, 94,391.77 and 44,473.47 is: 61,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,388.45 : 94,391.77 = 44,473.47 : x
  2. Step 2: Convert to fraction form
    68,388.45/94,391.77 = 44,473.47/x
  3. Step 3: Cross multiply
    68,388.45x = 94,391.77 × 44,473.47
  4. Step 4: Simplify right side
    68,388.45x = 4,197,929,551.34
  5. Step 5: Solve for x
    x = 4,197,929,551.34/68,388.45
  6. Step 6: Final answer
    x = 61,383.60

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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.