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Finding the Fourth Proportional to 217,048.59, 325,585.17 and 67,310.16

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Solution

The fourth proportional to 217,048.59, 325,585.17 and 67,310.16 is: 100,969.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,048.59 : 325,585.17 = 67,310.16 : x
  2. Step 2: Convert to fraction form
    217,048.59/325,585.17 = 67,310.16/x
  3. Step 3: Cross multiply
    217,048.59x = 325,585.17 × 67,310.16
  4. Step 4: Simplify right side
    217,048.59x = 21,915,190,939.00
  5. Step 5: Solve for x
    x = 21,915,190,939.00/217,048.59
  6. Step 6: Final answer
    x = 100,969.06

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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.