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Finding the Fourth Proportional to 80,273.88, 110,662.56 and 56,326.32

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Solution

The fourth proportional to 80,273.88, 110,662.56 and 56,326.32 is: 77,649.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,273.88 : 110,662.56 = 56,326.32 : x
  2. Step 2: Convert to fraction form
    80,273.88/110,662.56 = 56,326.32/x
  3. Step 3: Cross multiply
    80,273.88x = 110,662.56 × 56,326.32
  4. Step 4: Simplify right side
    80,273.88x = 6,233,214,766.58
  5. Step 5: Solve for x
    x = 6,233,214,766.58/80,273.88
  6. Step 6: Final answer
    x = 77,649.35

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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.