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Finding the Fourth Proportional to 250,754.37, 346,039.90 and 136,033.12

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Solution

The fourth proportional to 250,754.37, 346,039.90 and 136,033.12 is: 187,725.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,754.37 : 346,039.90 = 136,033.12 : x
  2. Step 2: Convert to fraction form
    250,754.37/346,039.90 = 136,033.12/x
  3. Step 3: Cross multiply
    250,754.37x = 346,039.90 × 136,033.12
  4. Step 4: Simplify right side
    250,754.37x = 47,072,887,241.49
  5. Step 5: Solve for x
    x = 47,072,887,241.49/250,754.37
  6. Step 6: Final answer
    x = 187,725.09

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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.