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Finding the Fourth Proportional to 80,329.01, 110,841.50 and 46,338.78

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Solution

The fourth proportional to 80,329.01, 110,841.50 and 46,338.78 is: 63,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,329.01 : 110,841.50 = 46,338.78 : x
  2. Step 2: Convert to fraction form
    80,329.01/110,841.50 = 46,338.78/x
  3. Step 3: Cross multiply
    80,329.01x = 110,841.50 × 46,338.78
  4. Step 4: Simplify right side
    80,329.01x = 5,136,259,651.68
  5. Step 5: Solve for x
    x = 5,136,259,651.68/80,329.01
  6. Step 6: Final answer
    x = 63,940.28

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1.5x scale

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.