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Finding the Fourth Proportional to 250,003.80, 344,996.74 and 136,824.12

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Solution

The fourth proportional to 250,003.80, 344,996.74 and 136,824.12 is: 188,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,003.80 : 344,996.74 = 136,824.12 : x
  2. Step 2: Convert to fraction form
    250,003.80/344,996.74 = 136,824.12/x
  3. Step 3: Cross multiply
    250,003.80x = 344,996.74 × 136,824.12
  4. Step 4: Simplify right side
    250,003.80x = 47,203,875,353.37
  5. Step 5: Solve for x
    x = 47,203,875,353.37/250,003.80
  6. Step 6: Final answer
    x = 188,812.63

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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.