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Finding the Fourth Proportional to 78,960.57, 108,956.04 and 44,969.13

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Solution

The fourth proportional to 78,960.57, 108,956.04 and 44,969.13 is: 62,051.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,960.57 : 108,956.04 = 44,969.13 : x
  2. Step 2: Convert to fraction form
    78,960.57/108,956.04 = 44,969.13/x
  3. Step 3: Cross multiply
    78,960.57x = 108,956.04 × 44,969.13
  4. Step 4: Simplify right side
    78,960.57x = 4,899,658,327.05
  5. Step 5: Solve for x
    x = 4,899,658,327.05/78,960.57
  6. Step 6: Final answer
    x = 62,051.96

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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.