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Finding the Fourth Proportional to 80,361.47, 110,899.27 and 46,371.39

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Solution

The fourth proportional to 80,361.47, 110,899.27 and 46,371.39 is: 63,992.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,361.47 : 110,899.27 = 46,371.39 : x
  2. Step 2: Convert to fraction form
    80,361.47/110,899.27 = 46,371.39/x
  3. Step 3: Cross multiply
    80,361.47x = 110,899.27 × 46,371.39
  4. Step 4: Simplify right side
    80,361.47x = 5,142,553,288.99
  5. Step 5: Solve for x
    x = 5,142,553,288.99/80,361.47
  6. Step 6: Final answer
    x = 63,992.77

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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.