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Finding the Fourth Proportional to 227,048.52, 313,310.78 and 135,162.93

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Solution

The fourth proportional to 227,048.52, 313,310.78 and 135,162.93 is: 186,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,048.52 : 313,310.78 = 135,162.93 : x
  2. Step 2: Convert to fraction form
    227,048.52/313,310.78 = 135,162.93/x
  3. Step 3: Cross multiply
    227,048.52x = 313,310.78 × 135,162.93
  4. Step 4: Simplify right side
    227,048.52x = 42,348,004,031.35
  5. Step 5: Solve for x
    x = 42,348,004,031.35/227,048.52
  6. Step 6: Final answer
    x = 186,515.21

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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.