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Finding the Fourth Proportional to 216,885.06, 325,290.68 and 59,076.60

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Solution

The fourth proportional to 216,885.06, 325,290.68 and 59,076.60 is: 88,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,885.06 : 325,290.68 = 59,076.60 : x
  2. Step 2: Convert to fraction form
    216,885.06/325,290.68 = 59,076.60/x
  3. Step 3: Cross multiply
    216,885.06x = 325,290.68 × 59,076.60
  4. Step 4: Simplify right side
    216,885.06x = 19,217,067,386.09
  5. Step 5: Solve for x
    x = 19,217,067,386.09/216,885.06
  6. Step 6: Final answer
    x = 88,604.85

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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.