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Finding the Fourth Proportional to 185,791.49, 256,348.32 and 109,313.91

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Solution

The fourth proportional to 185,791.49, 256,348.32 and 109,313.91 is: 150,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,791.49 : 256,348.32 = 109,313.91 : x
  2. Step 2: Convert to fraction form
    185,791.49/256,348.32 = 109,313.91/x
  3. Step 3: Cross multiply
    185,791.49x = 256,348.32 × 109,313.91
  4. Step 4: Simplify right side
    185,791.49x = 28,022,437,181.13
  5. Step 5: Solve for x
    x = 28,022,437,181.13/185,791.49
  6. Step 6: Final answer
    x = 150,827.35

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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.