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Finding the Fourth Proportional to 76,505.00, 114,795.20 and 34,414.86

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Solution

The fourth proportional to 76,505.00, 114,795.20 and 34,414.86 is: 51,639.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,505.00 : 114,795.20 = 34,414.86 : x
  2. Step 2: Convert to fraction form
    76,505.00/114,795.20 = 34,414.86/x
  3. Step 3: Cross multiply
    76,505.00x = 114,795.20 × 34,414.86
  4. Step 4: Simplify right side
    76,505.00x = 3,950,660,564.60
  5. Step 5: Solve for x
    x = 3,950,660,564.60/76,505.00
  6. Step 6: Final answer
    x = 51,639.25

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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.