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Finding the Fourth Proportional to 80,265.94, 110,767.82 and 48,428.69

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Solution

The fourth proportional to 80,265.94, 110,767.82 and 48,428.69 is: 66,832.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,265.94 : 110,767.82 = 48,428.69 : x
  2. Step 2: Convert to fraction form
    80,265.94/110,767.82 = 48,428.69/x
  3. Step 3: Cross multiply
    80,265.94x = 110,767.82 × 48,428.69
  4. Step 4: Simplify right side
    80,265.94x = 5,364,340,416.76
  5. Step 5: Solve for x
    x = 5,364,340,416.76/80,265.94
  6. Step 6: Final answer
    x = 66,832.09

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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.