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Finding the Fourth Proportional to 78,495.89, 108,327.17 and 44,968.37

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Solution

The fourth proportional to 78,495.89, 108,327.17 and 44,968.37 is: 62,057.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,495.89 : 108,327.17 = 44,968.37 : x
  2. Step 2: Convert to fraction form
    78,495.89/108,327.17 = 44,968.37/x
  3. Step 3: Cross multiply
    78,495.89x = 108,327.17 × 44,968.37
  4. Step 4: Simplify right side
    78,495.89x = 4,871,295,832.40
  5. Step 5: Solve for x
    x = 4,871,295,832.40/78,495.89
  6. Step 6: Final answer
    x = 62,057.98

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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.