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Finding the Fourth Proportional to 216,811.16, 325,236.18 and 59,040.44

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Solution

The fourth proportional to 216,811.16, 325,236.18 and 59,040.44 is: 88,565.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,811.16 : 325,236.18 = 59,040.44 : x
  2. Step 2: Convert to fraction form
    216,811.16/325,236.18 = 59,040.44/x
  3. Step 3: Cross multiply
    216,811.16x = 325,236.18 × 59,040.44
  4. Step 4: Simplify right side
    216,811.16x = 19,202,087,171.12
  5. Step 5: Solve for x
    x = 19,202,087,171.12/216,811.16
  6. Step 6: Final answer
    x = 88,565.95

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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.