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Finding the Fourth Proportional to 216,517.98, 324,738.66 and 58,758.72

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Solution

The fourth proportional to 216,517.98, 324,738.66 and 58,758.72 is: 88,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,517.98 : 324,738.66 = 58,758.72 : x
  2. Step 2: Convert to fraction form
    216,517.98/324,738.66 = 58,758.72/x
  3. Step 3: Cross multiply
    216,517.98x = 324,738.66 × 58,758.72
  4. Step 4: Simplify right side
    216,517.98x = 19,081,227,996.12
  5. Step 5: Solve for x
    x = 19,081,227,996.12/216,517.98
  6. Step 6: Final answer
    x = 88,127.68

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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.