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Finding the Fourth Proportional to 79,184.58, 109,271.88 and 45,194.82

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Solution

The fourth proportional to 79,184.58, 109,271.88 and 45,194.82 is: 62,367.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,184.58 : 109,271.88 = 45,194.82 : x
  2. Step 2: Convert to fraction form
    79,184.58/109,271.88 = 45,194.82/x
  3. Step 3: Cross multiply
    79,184.58x = 109,271.88 × 45,194.82
  4. Step 4: Simplify right side
    79,184.58x = 4,938,522,947.66
  5. Step 5: Solve for x
    x = 4,938,522,947.66/79,184.58
  6. Step 6: Final answer
    x = 62,367.23

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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.