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Finding the Fourth Proportional to 80,293.26, 110,843.22 and 56,440.38

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Solution

The fourth proportional to 80,293.26, 110,843.22 and 56,440.38 is: 77,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,293.26 : 110,843.22 = 56,440.38 : x
  2. Step 2: Convert to fraction form
    80,293.26/110,843.22 = 56,440.38/x
  3. Step 3: Cross multiply
    80,293.26x = 110,843.22 × 56,440.38
  4. Step 4: Simplify right side
    80,293.26x = 6,256,033,457.22
  5. Step 5: Solve for x
    x = 6,256,033,457.22/80,293.26
  6. Step 6: Final answer
    x = 77,914.80

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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.