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Finding the Fourth Proportional to 68,608.62, 94,595.04 and 55,180.44

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Solution

The fourth proportional to 68,608.62, 94,595.04 and 55,180.44 is: 76,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,608.62 : 94,595.04 = 55,180.44 : x
  2. Step 2: Convert to fraction form
    68,608.62/94,595.04 = 55,180.44/x
  3. Step 3: Cross multiply
    68,608.62x = 94,595.04 × 55,180.44
  4. Step 4: Simplify right side
    68,608.62x = 5,219,795,929.02
  5. Step 5: Solve for x
    x = 5,219,795,929.02/68,608.62
  6. Step 6: Final answer
    x = 76,080.76

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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.