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Finding the Fourth Proportional to 173,900.52, 239,975.87 and 98,449.02

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Solution

The fourth proportional to 173,900.52, 239,975.87 and 98,449.02 is: 135,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,900.52 : 239,975.87 = 98,449.02 : x
  2. Step 2: Convert to fraction form
    173,900.52/239,975.87 = 98,449.02/x
  3. Step 3: Cross multiply
    173,900.52x = 239,975.87 × 98,449.02
  4. Step 4: Simplify right side
    173,900.52x = 23,625,388,732.90
  5. Step 5: Solve for x
    x = 23,625,388,732.90/173,900.52
  6. Step 6: Final answer
    x = 135,855.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.