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Finding the Fourth Proportional to 216,449.66, 324,674.48 and 58,674.02

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Solution

The fourth proportional to 216,449.66, 324,674.48 and 58,674.02 is: 88,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,449.66 : 324,674.48 = 58,674.02 : x
  2. Step 2: Convert to fraction form
    216,449.66/324,674.48 = 58,674.02/x
  3. Step 3: Cross multiply
    216,449.66x = 324,674.48 × 58,674.02
  4. Step 4: Simplify right side
    216,449.66x = 19,049,955,456.32
  5. Step 5: Solve for x
    x = 19,049,955,456.32/216,449.66
  6. Step 6: Final answer
    x = 88,011.02

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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.