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Finding the Fourth Proportional to 80,342.61, 110,879.34 and 44,543.22

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Solution

The fourth proportional to 80,342.61, 110,879.34 and 44,543.22 is: 61,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,342.61 : 110,879.34 = 44,543.22 : x
  2. Step 2: Convert to fraction form
    80,342.61/110,879.34 = 44,543.22/x
  3. Step 3: Cross multiply
    80,342.61x = 110,879.34 × 44,543.22
  4. Step 4: Simplify right side
    80,342.61x = 4,938,922,835.07
  5. Step 5: Solve for x
    x = 4,938,922,835.07/80,342.61
  6. Step 6: Final answer
    x = 61,473.27

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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.