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Finding the Fourth Proportional to 325,253.52, 487,940.22 and 147,773.88

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Solution

The fourth proportional to 325,253.52, 487,940.22 and 147,773.88 is: 221,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,253.52 : 487,940.22 = 147,773.88 : x
  2. Step 2: Convert to fraction form
    325,253.52/487,940.22 = 147,773.88/x
  3. Step 3: Cross multiply
    325,253.52x = 487,940.22 × 147,773.88
  4. Step 4: Simplify right side
    325,253.52x = 72,104,819,517.45
  5. Step 5: Solve for x
    x = 72,104,819,517.45/325,253.52
  6. Step 6: Final answer
    x = 221,688.05

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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.