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Finding the Fourth Proportional to 248,990.73, 373,488.66 and 71,497.32

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Solution

The fourth proportional to 248,990.73, 373,488.66 and 71,497.32 is: 107,246.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,990.73 : 373,488.66 = 71,497.32 : x
  2. Step 2: Convert to fraction form
    248,990.73/373,488.66 = 71,497.32/x
  3. Step 3: Cross multiply
    248,990.73x = 373,488.66 × 71,497.32
  4. Step 4: Simplify right side
    248,990.73x = 26,703,438,240.39
  5. Step 5: Solve for x
    x = 26,703,438,240.39/248,990.73
  6. Step 6: Final answer
    x = 107,246.72

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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.