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Finding the Fourth Proportional to 73,135.47, 100,928.94 and 41,309.10

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Solution

The fourth proportional to 73,135.47, 100,928.94 and 41,309.10 is: 57,007.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,135.47 : 100,928.94 = 41,309.10 : x
  2. Step 2: Convert to fraction form
    73,135.47/100,928.94 = 41,309.10/x
  3. Step 3: Cross multiply
    73,135.47x = 100,928.94 × 41,309.10
  4. Step 4: Simplify right side
    73,135.47x = 4,169,283,675.35
  5. Step 5: Solve for x
    x = 4,169,283,675.35/73,135.47
  6. Step 6: Final answer
    x = 57,007.68

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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.