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Finding the Fourth Proportional to 96,610.50, 133,297.25 and 55,764.63

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Solution

The fourth proportional to 96,610.50, 133,297.25 and 55,764.63 is: 76,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,610.50 : 133,297.25 = 55,764.63 : x
  2. Step 2: Convert to fraction form
    96,610.50/133,297.25 = 55,764.63/x
  3. Step 3: Cross multiply
    96,610.50x = 133,297.25 × 55,764.63
  4. Step 4: Simplify right side
    96,610.50x = 7,433,271,547.44
  5. Step 5: Solve for x
    x = 7,433,271,547.44/96,610.50
  6. Step 6: Final answer
    x = 76,940.62

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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.