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Finding the Fourth Proportional to 217,166.52, 325,734.36 and 67,403.22

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Solution

The fourth proportional to 217,166.52, 325,734.36 and 67,403.22 is: 101,100.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,166.52 : 325,734.36 = 67,403.22 : x
  2. Step 2: Convert to fraction form
    217,166.52/325,734.36 = 67,403.22/x
  3. Step 3: Cross multiply
    217,166.52x = 325,734.36 × 67,403.22
  4. Step 4: Simplify right side
    217,166.52x = 21,955,544,728.64
  5. Step 5: Solve for x
    x = 21,955,544,728.64/217,166.52
  6. Step 6: Final answer
    x = 101,100.04

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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.