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Finding the Fourth Proportional to 80,245.84, 110,726.22 and 46,255.72

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Solution

The fourth proportional to 80,245.84, 110,726.22 and 46,255.72 is: 63,825.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,245.84 : 110,726.22 = 46,255.72 : x
  2. Step 2: Convert to fraction form
    80,245.84/110,726.22 = 46,255.72/x
  3. Step 3: Cross multiply
    80,245.84x = 110,726.22 × 46,255.72
  4. Step 4: Simplify right side
    80,245.84x = 5,121,721,028.98
  5. Step 5: Solve for x
    x = 5,121,721,028.98/80,245.84
  6. Step 6: Final answer
    x = 63,825.38

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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.