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Finding the Fourth Proportional to 216,883.10, 325,324.69 and 59,134.79

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Solution

The fourth proportional to 216,883.10, 325,324.69 and 59,134.79 is: 88,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,883.10 : 325,324.69 = 59,134.79 : x
  2. Step 2: Convert to fraction form
    216,883.10/325,324.69 = 59,134.79/x
  3. Step 3: Cross multiply
    216,883.10x = 325,324.69 × 59,134.79
  4. Step 4: Simplify right side
    216,883.10x = 19,238,007,890.44
  5. Step 5: Solve for x
    x = 19,238,007,890.44/216,883.10
  6. Step 6: Final answer
    x = 88,702.20

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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.