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Finding the Fourth Proportional to 250,424.32, 345,584.76 and 135,703.41

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Solution

The fourth proportional to 250,424.32, 345,584.76 and 135,703.41 is: 187,270.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,424.32 : 345,584.76 = 135,703.41 : x
  2. Step 2: Convert to fraction form
    250,424.32/345,584.76 = 135,703.41/x
  3. Step 3: Cross multiply
    250,424.32x = 345,584.76 × 135,703.41
  4. Step 4: Simplify right side
    250,424.32x = 46,897,029,867.14
  5. Step 5: Solve for x
    x = 46,897,029,867.14/250,424.32
  6. Step 6: Final answer
    x = 187,270.27

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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.