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Finding the Fourth Proportional to 78,594.47, 108,471.57 and 44,611.37

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Solution

The fourth proportional to 78,594.47, 108,471.57 and 44,611.37 is: 61,570.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,594.47 : 108,471.57 = 44,611.37 : x
  2. Step 2: Convert to fraction form
    78,594.47/108,471.57 = 44,611.37/x
  3. Step 3: Cross multiply
    78,594.47x = 108,471.57 × 44,611.37
  4. Step 4: Simplify right side
    78,594.47x = 4,839,065,343.75
  5. Step 5: Solve for x
    x = 4,839,065,343.75/78,594.47
  6. Step 6: Final answer
    x = 61,570.05

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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.