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Finding the Fourth Proportional to 104,286.76, 144,034.52 and 70,694.44

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Solution

The fourth proportional to 104,286.76, 144,034.52 and 70,694.44 is: 97,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,286.76 : 144,034.52 = 70,694.44 : x
  2. Step 2: Convert to fraction form
    104,286.76/144,034.52 = 70,694.44/x
  3. Step 3: Cross multiply
    104,286.76x = 144,034.52 × 70,694.44
  4. Step 4: Simplify right side
    104,286.76x = 10,182,439,732.07
  5. Step 5: Solve for x
    x = 10,182,439,732.07/104,286.76
  6. Step 6: Final answer
    x = 97,638.85

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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.