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Finding the Fourth Proportional to 78,495.86, 108,327.14 and 44,968.34

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Solution

The fourth proportional to 78,495.86, 108,327.14 and 44,968.34 is: 62,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,495.86 : 108,327.14 = 44,968.34 : x
  2. Step 2: Convert to fraction form
    78,495.86/108,327.14 = 44,968.34/x
  3. Step 3: Cross multiply
    78,495.86x = 108,327.14 × 44,968.34
  4. Step 4: Simplify right side
    78,495.86x = 4,871,292,045.99
  5. Step 5: Solve for x
    x = 4,871,292,045.99/78,495.86
  6. Step 6: Final answer
    x = 62,057.95

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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.