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Finding the Fourth Proportional to 80,355.10, 110,891.04 and 46,370.64

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Solution

The fourth proportional to 80,355.10, 110,891.04 and 46,370.64 is: 63,992.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,355.10 : 110,891.04 = 46,370.64 : x
  2. Step 2: Convert to fraction form
    80,355.10/110,891.04 = 46,370.64/x
  3. Step 3: Cross multiply
    80,355.10x = 110,891.04 × 46,370.64
  4. Step 4: Simplify right side
    80,355.10x = 5,142,088,495.07
  5. Step 5: Solve for x
    x = 5,142,088,495.07/80,355.10
  6. Step 6: Final answer
    x = 63,992.06

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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.