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Finding the Fourth Proportional to 55,174, 76,141.32 and 30,023.52

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Solution

The fourth proportional to 55,174, 76,141.32 and 30,023.52 is: 41,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,174 : 76,141.32 = 30,023.52 : x
  2. Step 2: Convert to fraction form
    55,174/76,141.32 = 30,023.52/x
  3. Step 3: Cross multiply
    55,174x = 76,141.32 × 30,023.52
  4. Step 4: Simplify right side
    55,174x = 2,286,030,443.85
  5. Step 5: Solve for x
    x = 2,286,030,443.85/55,174
  6. Step 6: Final answer
    x = 41,433.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.