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Finding the Fourth Proportional to 123,797.52, 170,844.69 and 70,081.44

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Solution

The fourth proportional to 123,797.52, 170,844.69 and 70,081.44 is: 96,714.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,797.52 : 170,844.69 = 70,081.44 : x
  2. Step 2: Convert to fraction form
    123,797.52/170,844.69 = 70,081.44/x
  3. Step 3: Cross multiply
    123,797.52x = 170,844.69 × 70,081.44
  4. Step 4: Simplify right side
    123,797.52x = 11,973,041,891.55
  5. Step 5: Solve for x
    x = 11,973,041,891.55/123,797.52
  6. Step 6: Final answer
    x = 96,714.72

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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.