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Finding the Fourth Proportional to 250,564.94, 375,902.69 and 73,085.84

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Solution

The fourth proportional to 250,564.94, 375,902.69 and 73,085.84 is: 109,644.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,564.94 : 375,902.69 = 73,085.84 : x
  2. Step 2: Convert to fraction form
    250,564.94/375,902.69 = 73,085.84/x
  3. Step 3: Cross multiply
    250,564.94x = 375,902.69 × 73,085.84
  4. Step 4: Simplify right side
    250,564.94x = 27,473,161,611.97
  5. Step 5: Solve for x
    x = 27,473,161,611.97/250,564.94
  6. Step 6: Final answer
    x = 109,644.88

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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.