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Finding the Fourth Proportional to 95,217.71, 142,797.80 and 28,640.16

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Solution

The fourth proportional to 95,217.71, 142,797.80 and 28,640.16 is: 42,951.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,217.71 : 142,797.80 = 28,640.16 : x
  2. Step 2: Convert to fraction form
    95,217.71/142,797.80 = 28,640.16/x
  3. Step 3: Cross multiply
    95,217.71x = 142,797.80 × 28,640.16
  4. Step 4: Simplify right side
    95,217.71x = 4,089,751,911.25
  5. Step 5: Solve for x
    x = 4,089,751,911.25/95,217.71
  6. Step 6: Final answer
    x = 42,951.59

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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.