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Finding the Fourth Proportional to 325,185.66, 487,729.17 and 88,546.95

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Solution

The fourth proportional to 325,185.66, 487,729.17 and 88,546.95 is: 132,807.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,185.66 : 487,729.17 = 88,546.95 : x
  2. Step 2: Convert to fraction form
    325,185.66/487,729.17 = 88,546.95/x
  3. Step 3: Cross multiply
    325,185.66x = 487,729.17 × 88,546.95
  4. Step 4: Simplify right side
    325,185.66x = 43,186,930,429.53
  5. Step 5: Solve for x
    x = 43,186,930,429.53/325,185.66
  6. Step 6: Final answer
    x = 132,807.00

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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.