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Finding the Fourth Proportional to 78,059.46, 107,727.26 and 44,055.86

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Solution

The fourth proportional to 78,059.46, 107,727.26 and 44,055.86 is: 60,800.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,059.46 : 107,727.26 = 44,055.86 : x
  2. Step 2: Convert to fraction form
    78,059.46/107,727.26 = 44,055.86/x
  3. Step 3: Cross multiply
    78,059.46x = 107,727.26 × 44,055.86
  4. Step 4: Simplify right side
    78,059.46x = 4,746,017,133.78
  5. Step 5: Solve for x
    x = 4,746,017,133.78/78,059.46
  6. Step 6: Final answer
    x = 60,800.03

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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.