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Finding the Fourth Proportional to 250,092.32, 345,127.34 and 135,370.94

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Solution

The fourth proportional to 250,092.32, 345,127.34 and 135,370.94 is: 186,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,092.32 : 345,127.34 = 135,370.94 : x
  2. Step 2: Convert to fraction form
    250,092.32/345,127.34 = 135,370.94/x
  3. Step 3: Cross multiply
    250,092.32x = 345,127.34 × 135,370.94
  4. Step 4: Simplify right side
    250,092.32x = 46,720,212,435.50
  5. Step 5: Solve for x
    x = 46,720,212,435.50/250,092.32
  6. Step 6: Final answer
    x = 186,811.86

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1.5x scale

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.