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Finding the Fourth Proportional to 136,043.31, 204,064.68 and 36,203.49

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Solution

The fourth proportional to 136,043.31, 204,064.68 and 36,203.49 is: 54,305.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,043.31 : 204,064.68 = 36,203.49 : x
  2. Step 2: Convert to fraction form
    136,043.31/204,064.68 = 36,203.49/x
  3. Step 3: Cross multiply
    136,043.31x = 204,064.68 × 36,203.49
  4. Step 4: Simplify right side
    136,043.31x = 7,387,853,601.73
  5. Step 5: Solve for x
    x = 7,387,853,601.73/136,043.31
  6. Step 6: Final answer
    x = 54,305.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.