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Finding the Fourth Proportional to 119,692.44, 179,544.80 and 30,946.70

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Solution

The fourth proportional to 119,692.44, 179,544.80 and 30,946.70 is: 46,421.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,692.44 : 179,544.80 = 30,946.70 : x
  2. Step 2: Convert to fraction form
    119,692.44/179,544.80 = 30,946.70/x
  3. Step 3: Cross multiply
    119,692.44x = 179,544.80 × 30,946.70
  4. Step 4: Simplify right side
    119,692.44x = 5,556,319,588.39
  5. Step 5: Solve for x
    x = 5,556,319,588.39/119,692.44
  6. Step 6: Final answer
    x = 46,421.64

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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.