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Finding the Fourth Proportional to 80,220.69, 110,705.42 and 44,411.30

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Solution

The fourth proportional to 80,220.69, 110,705.42 and 44,411.30 is: 61,288.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,220.69 : 110,705.42 = 44,411.30 : x
  2. Step 2: Convert to fraction form
    80,220.69/110,705.42 = 44,411.30/x
  3. Step 3: Cross multiply
    80,220.69x = 110,705.42 × 44,411.30
  4. Step 4: Simplify right side
    80,220.69x = 4,916,570,843.66
  5. Step 5: Solve for x
    x = 4,916,570,843.66/80,220.69
  6. Step 6: Final answer
    x = 61,288.06

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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.