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Finding the Fourth Proportional to 250,229.91, 345,317.46 and 135,509.46

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Solution

The fourth proportional to 250,229.91, 345,317.46 and 135,509.46 is: 187,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,229.91 : 345,317.46 = 135,509.46 : x
  2. Step 2: Convert to fraction form
    250,229.91/345,317.46 = 135,509.46/x
  3. Step 3: Cross multiply
    250,229.91x = 345,317.46 × 135,509.46
  4. Step 4: Simplify right side
    250,229.91x = 46,793,782,533.17
  5. Step 5: Solve for x
    x = 46,793,782,533.17/250,229.91
  6. Step 6: Final answer
    x = 187,003.15

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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.