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Finding the Fourth Proportional to 75,722.58, 104,495.72 and 43,894.44

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Solution

The fourth proportional to 75,722.58, 104,495.72 and 43,894.44 is: 60,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,722.58 : 104,495.72 = 43,894.44 : x
  2. Step 2: Convert to fraction form
    75,722.58/104,495.72 = 43,894.44/x
  3. Step 3: Cross multiply
    75,722.58x = 104,495.72 × 43,894.44
  4. Step 4: Simplify right side
    75,722.58x = 4,586,781,111.80
  5. Step 5: Solve for x
    x = 4,586,781,111.80/75,722.58
  6. Step 6: Final answer
    x = 60,573.49

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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.