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Finding the Fourth Proportional to 76,363.00, 114,391.64 and 36,420.87

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Solution

The fourth proportional to 76,363.00, 114,391.64 and 36,420.87 is: 54,558.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,363.00 : 114,391.64 = 36,420.87 : x
  2. Step 2: Convert to fraction form
    76,363.00/114,391.64 = 36,420.87/x
  3. Step 3: Cross multiply
    76,363.00x = 114,391.64 × 36,420.87
  4. Step 4: Simplify right side
    76,363.00x = 4,166,242,604.37
  5. Step 5: Solve for x
    x = 4,166,242,604.37/76,363.00
  6. Step 6: Final answer
    x = 54,558.39

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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.