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Finding the Fourth Proportional to 76,520.99, 114,781.76 and 23,213.42

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Solution

The fourth proportional to 76,520.99, 114,781.76 and 23,213.42 is: 34,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,520.99 : 114,781.76 = 23,213.42 : x
  2. Step 2: Convert to fraction form
    76,520.99/114,781.76 = 23,213.42/x
  3. Step 3: Cross multiply
    76,520.99x = 114,781.76 × 23,213.42
  4. Step 4: Simplify right side
    76,520.99x = 2,664,477,203.22
  5. Step 5: Solve for x
    x = 2,664,477,203.22/76,520.99
  6. Step 6: Final answer
    x = 34,820.21

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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.