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Finding the Fourth Proportional to 80,354.66, 110,890.44 and 46,370.20

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Solution

The fourth proportional to 80,354.66, 110,890.44 and 46,370.20 is: 63,991.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,354.66 : 110,890.44 = 46,370.20 : x
  2. Step 2: Convert to fraction form
    80,354.66/110,890.44 = 46,370.20/x
  3. Step 3: Cross multiply
    80,354.66x = 110,890.44 × 46,370.20
  4. Step 4: Simplify right side
    80,354.66x = 5,142,011,649.04
  5. Step 5: Solve for x
    x = 5,142,011,649.04/80,354.66
  6. Step 6: Final answer
    x = 63,991.46

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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.