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Finding the Fourth Proportional to 265,186.98, 397,740.96 and 87,694.92

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Solution

The fourth proportional to 265,186.98, 397,740.96 and 87,694.92 is: 131,529.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,186.98 : 397,740.96 = 87,694.92 : x
  2. Step 2: Convert to fraction form
    265,186.98/397,740.96 = 87,694.92/x
  3. Step 3: Cross multiply
    265,186.98x = 397,740.96 × 87,694.92
  4. Step 4: Simplify right side
    265,186.98x = 34,879,861,667.92
  5. Step 5: Solve for x
    x = 34,879,861,667.92/265,186.98
  6. Step 6: Final answer
    x = 131,529.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.