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Finding the Fourth Proportional to 250,606.88, 345,837.13 and 135,885.32

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Solution

The fourth proportional to 250,606.88, 345,837.13 and 135,885.32 is: 187,521.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,606.88 : 345,837.13 = 135,885.32 : x
  2. Step 2: Convert to fraction form
    250,606.88/345,837.13 = 135,885.32/x
  3. Step 3: Cross multiply
    250,606.88x = 345,837.13 × 135,885.32
  4. Step 4: Simplify right side
    250,606.88x = 46,994,186,669.32
  5. Step 5: Solve for x
    x = 46,994,186,669.32/250,606.88
  6. Step 6: Final answer
    x = 187,521.53

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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.