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Finding the Fourth Proportional to 216,932, 325,361.28 and 59,123.48

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Solution

The fourth proportional to 216,932, 325,361.28 and 59,123.48 is: 88,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,932 : 325,361.28 = 59,123.48 : x
  2. Step 2: Convert to fraction form
    216,932/325,361.28 = 59,123.48/x
  3. Step 3: Cross multiply
    216,932x = 325,361.28 × 59,123.48
  4. Step 4: Simplify right side
    216,932x = 19,236,491,130.85
  5. Step 5: Solve for x
    x = 19,236,491,130.85/216,932
  6. Step 6: Final answer
    x = 88,675.21

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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.