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Finding the Fourth Proportional to 217,152.78, 325,733.67 and 59,380.26

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Solution

The fourth proportional to 217,152.78, 325,733.67 and 59,380.26 is: 89,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,152.78 : 325,733.67 = 59,380.26 : x
  2. Step 2: Convert to fraction form
    217,152.78/325,733.67 = 59,380.26/x
  3. Step 3: Cross multiply
    217,152.78x = 325,733.67 × 59,380.26
  4. Step 4: Simplify right side
    217,152.78x = 19,342,150,015.35
  5. Step 5: Solve for x
    x = 19,342,150,015.35/217,152.78
  6. Step 6: Final answer
    x = 89,071.62

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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.