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Finding the Fourth Proportional to 73,479.51, 110,206.85 and 28,494.27

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Solution

The fourth proportional to 73,479.51, 110,206.85 and 28,494.27 is: 42,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,479.51 : 110,206.85 = 28,494.27 : x
  2. Step 2: Convert to fraction form
    73,479.51/110,206.85 = 28,494.27/x
  3. Step 3: Cross multiply
    73,479.51x = 110,206.85 × 28,494.27
  4. Step 4: Simplify right side
    73,479.51x = 3,140,263,597.28
  5. Step 5: Solve for x
    x = 3,140,263,597.28/73,479.51
  6. Step 6: Final answer
    x = 42,736.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.