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Finding the Fourth Proportional to 80,342.39, 110,871.39 and 44,531.63

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Solution

The fourth proportional to 80,342.39, 110,871.39 and 44,531.63 is: 61,453.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,342.39 : 110,871.39 = 44,531.63 : x
  2. Step 2: Convert to fraction form
    80,342.39/110,871.39 = 44,531.63/x
  3. Step 3: Cross multiply
    80,342.39x = 110,871.39 × 44,531.63
  4. Step 4: Simplify right side
    80,342.39x = 4,937,283,717.07
  5. Step 5: Solve for x
    x = 4,937,283,717.07/80,342.39
  6. Step 6: Final answer
    x = 61,453.04

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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.