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Finding the Fourth Proportional to 250,016.82, 345,024.11 and 135,295.45

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Solution

The fourth proportional to 250,016.82, 345,024.11 and 135,295.45 is: 186,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,016.82 : 345,024.11 = 135,295.45 : x
  2. Step 2: Convert to fraction form
    250,016.82/345,024.11 = 135,295.45/x
  3. Step 3: Cross multiply
    250,016.82x = 345,024.11 × 135,295.45
  4. Step 4: Simplify right side
    250,016.82x = 46,680,191,698.98
  5. Step 5: Solve for x
    x = 46,680,191,698.98/250,016.82
  6. Step 6: Final answer
    x = 186,708.21

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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.