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Finding the Fourth Proportional to 250,645.67, 345,893.70 and 135,924.53

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Solution

The fourth proportional to 250,645.67, 345,893.70 and 135,924.53 is: 187,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,645.67 : 345,893.70 = 135,924.53 : x
  2. Step 2: Convert to fraction form
    250,645.67/345,893.70 = 135,924.53/x
  3. Step 3: Cross multiply
    250,645.67x = 345,893.70 × 135,924.53
  4. Step 4: Simplify right side
    250,645.67x = 47,015,438,602.46
  5. Step 5: Solve for x
    x = 47,015,438,602.46/250,645.67
  6. Step 6: Final answer
    x = 187,577.30

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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.