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Finding the Fourth Proportional to 73,047.56, 100,580.78 and 62,268.26

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Solution

The fourth proportional to 73,047.56, 100,580.78 and 62,268.26 is: 85,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,047.56 : 100,580.78 = 62,268.26 : x
  2. Step 2: Convert to fraction form
    73,047.56/100,580.78 = 62,268.26/x
  3. Step 3: Cross multiply
    73,047.56x = 100,580.78 × 62,268.26
  4. Step 4: Simplify right side
    73,047.56x = 6,262,989,812.81
  5. Step 5: Solve for x
    x = 6,262,989,812.81/73,047.56
  6. Step 6: Final answer
    x = 85,738.53

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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.