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Finding the Fourth Proportional to 105,495.92, 158,243.52 and 43,166.44

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Solution

The fourth proportional to 105,495.92, 158,243.52 and 43,166.44 is: 64,749.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,495.92 : 158,243.52 = 43,166.44 : x
  2. Step 2: Convert to fraction form
    105,495.92/158,243.52 = 43,166.44/x
  3. Step 3: Cross multiply
    105,495.92x = 158,243.52 × 43,166.44
  4. Step 4: Simplify right side
    105,495.92x = 6,830,809,411.47
  5. Step 5: Solve for x
    x = 6,830,809,411.47/105,495.92
  6. Step 6: Final answer
    x = 64,749.51

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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.