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Finding the Fourth Proportional to 73,617, 101,591.46 and 40,083

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Solution

The fourth proportional to 73,617, 101,591.46 and 40,083 is: 55,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,617 : 101,591.46 = 40,083 : x
  2. Step 2: Convert to fraction form
    73,617/101,591.46 = 40,083/x
  3. Step 3: Cross multiply
    73,617x = 101,591.46 × 40,083
  4. Step 4: Simplify right side
    73,617x = 4,072,090,491.18
  5. Step 5: Solve for x
    x = 4,072,090,491.18/73,617
  6. Step 6: Final answer
    x = 55,314.54

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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.