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Finding the Fourth Proportional to 250,525.42, 345,724.28 and 135,804.51

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Solution

The fourth proportional to 250,525.42, 345,724.28 and 135,804.51 is: 187,409.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,525.42 : 345,724.28 = 135,804.51 : x
  2. Step 2: Convert to fraction form
    250,525.42/345,724.28 = 135,804.51/x
  3. Step 3: Cross multiply
    250,525.42x = 345,724.28 × 135,804.51
  4. Step 4: Simplify right side
    250,525.42x = 46,950,916,440.50
  5. Step 5: Solve for x
    x = 46,950,916,440.50/250,525.42
  6. Step 6: Final answer
    x = 187,409.79

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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.