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Finding the Fourth Proportional to 80,295.26, 110,845.98 and 56,442.38

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Solution

The fourth proportional to 80,295.26, 110,845.98 and 56,442.38 is: 77,917.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,295.26 : 110,845.98 = 56,442.38 : x
  2. Step 2: Convert to fraction form
    80,295.26/110,845.98 = 56,442.38/x
  3. Step 3: Cross multiply
    80,295.26x = 110,845.98 × 56,442.38
  4. Step 4: Simplify right side
    80,295.26x = 6,256,410,924.63
  5. Step 5: Solve for x
    x = 6,256,410,924.63/80,295.26
  6. Step 6: Final answer
    x = 77,917.56

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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.