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Finding the Fourth Proportional to 250,611.30, 375,959.07 and 124,257.78

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Solution

The fourth proportional to 250,611.30, 375,959.07 and 124,257.78 is: 186,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,611.30 : 375,959.07 = 124,257.78 : x
  2. Step 2: Convert to fraction form
    250,611.30/375,959.07 = 124,257.78/x
  3. Step 3: Cross multiply
    250,611.30x = 375,959.07 × 124,257.78
  4. Step 4: Simplify right side
    250,611.30x = 46,715,839,409.06
  5. Step 5: Solve for x
    x = 46,715,839,409.06/250,611.30
  6. Step 6: Final answer
    x = 186,407.55

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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.