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Finding the Fourth Proportional to 73,090.48, 100,867.76 and 41,260.48

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Solution

The fourth proportional to 73,090.48, 100,867.76 and 41,260.48 is: 56,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,090.48 : 100,867.76 = 41,260.48 : x
  2. Step 2: Convert to fraction form
    73,090.48/100,867.76 = 41,260.48/x
  3. Step 3: Cross multiply
    73,090.48x = 100,867.76 × 41,260.48
  4. Step 4: Simplify right side
    73,090.48x = 4,161,852,194.12
  5. Step 5: Solve for x
    x = 4,161,852,194.12/73,090.48
  6. Step 6: Final answer
    x = 56,941.10

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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.