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Finding the Fourth Proportional to 250,392.48, 345,872.88 and 186,619.56

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Solution

The fourth proportional to 250,392.48, 345,872.88 and 186,619.56 is: 257,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,392.48 : 345,872.88 = 186,619.56 : x
  2. Step 2: Convert to fraction form
    250,392.48/345,872.88 = 186,619.56/x
  3. Step 3: Cross multiply
    250,392.48x = 345,872.88 × 186,619.56
  4. Step 4: Simplify right side
    250,392.48x = 64,546,644,681.53
  5. Step 5: Solve for x
    x = 64,546,644,681.53/250,392.48
  6. Step 6: Final answer
    x = 257,781.88

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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.