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Finding the Fourth Proportional to 76,093.92, 114,147.36 and 19,933.80

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Solution

The fourth proportional to 76,093.92, 114,147.36 and 19,933.80 is: 29,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,093.92 : 114,147.36 = 19,933.80 : x
  2. Step 2: Convert to fraction form
    76,093.92/114,147.36 = 19,933.80/x
  3. Step 3: Cross multiply
    76,093.92x = 114,147.36 × 19,933.80
  4. Step 4: Simplify right side
    76,093.92x = 2,275,390,644.77
  5. Step 5: Solve for x
    x = 2,275,390,644.77/76,093.92
  6. Step 6: Final answer
    x = 29,902.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.