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Finding the Fourth Proportional to 74,562.68, 102,857.24 and 44,326.48

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Solution

The fourth proportional to 74,562.68, 102,857.24 and 44,326.48 is: 61,147.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,562.68 : 102,857.24 = 44,326.48 : x
  2. Step 2: Convert to fraction form
    74,562.68/102,857.24 = 44,326.48/x
  3. Step 3: Cross multiply
    74,562.68x = 102,857.24 × 44,326.48
  4. Step 4: Simplify right side
    74,562.68x = 4,559,299,245.39
  5. Step 5: Solve for x
    x = 4,559,299,245.39/74,562.68
  6. Step 6: Final answer
    x = 61,147.21

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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.