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Finding the Fourth Proportional to 250,029.69, 345,003.88 and 151,861.88

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Solution

The fourth proportional to 250,029.69, 345,003.88 and 151,861.88 is: 209,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,029.69 : 345,003.88 = 151,861.88 : x
  2. Step 2: Convert to fraction form
    250,029.69/345,003.88 = 151,861.88/x
  3. Step 3: Cross multiply
    250,029.69x = 345,003.88 × 151,861.88
  4. Step 4: Simplify right side
    250,029.69x = 52,392,937,824.09
  5. Step 5: Solve for x
    x = 52,392,937,824.09/250,029.69
  6. Step 6: Final answer
    x = 209,546.87

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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.