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Finding the Fourth Proportional to 173,479.68, 239,375.52 and 98,000.64

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Solution

The fourth proportional to 173,479.68, 239,375.52 and 98,000.64 is: 135,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,479.68 : 239,375.52 = 98,000.64 : x
  2. Step 2: Convert to fraction form
    173,479.68/239,375.52 = 98,000.64/x
  3. Step 3: Cross multiply
    173,479.68x = 239,375.52 × 98,000.64
  4. Step 4: Simplify right side
    173,479.68x = 23,458,954,160.33
  5. Step 5: Solve for x
    x = 23,458,954,160.33/173,479.68
  6. Step 6: Final answer
    x = 135,225.95

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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.