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Finding the Fourth Proportional to 80,238.36, 110,731.14 and 44,429.88

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Solution

The fourth proportional to 80,238.36, 110,731.14 and 44,429.88 is: 61,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,238.36 : 110,731.14 = 44,429.88 : x
  2. Step 2: Convert to fraction form
    80,238.36/110,731.14 = 44,429.88/x
  3. Step 3: Cross multiply
    80,238.36x = 110,731.14 × 44,429.88
  4. Step 4: Simplify right side
    80,238.36x = 4,919,771,262.46
  5. Step 5: Solve for x
    x = 4,919,771,262.46/80,238.36
  6. Step 6: Final answer
    x = 61,314.45

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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.