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Finding the Fourth Proportional to 136,073.66, 204,203.37 and 47,326.28

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Solution

The fourth proportional to 136,073.66, 204,203.37 and 47,326.28 is: 71,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,073.66 : 204,203.37 = 47,326.28 : x
  2. Step 2: Convert to fraction form
    136,073.66/204,203.37 = 47,326.28/x
  3. Step 3: Cross multiply
    136,073.66x = 204,203.37 × 47,326.28
  4. Step 4: Simplify right side
    136,073.66x = 9,664,185,865.56
  5. Step 5: Solve for x
    x = 9,664,185,865.56/136,073.66
  6. Step 6: Final answer
    x = 71,021.72

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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.