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Finding the Fourth Proportional to 294,076.88, 441,159.06 and 136,321.28

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Solution

The fourth proportional to 294,076.88, 441,159.06 and 136,321.28 is: 204,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,076.88 : 441,159.06 = 136,321.28 : x
  2. Step 2: Convert to fraction form
    294,076.88/441,159.06 = 136,321.28/x
  3. Step 3: Cross multiply
    294,076.88x = 441,159.06 × 136,321.28
  4. Step 4: Simplify right side
    294,076.88x = 60,139,367,742.80
  5. Step 5: Solve for x
    x = 60,139,367,742.80/294,076.88
  6. Step 6: Final answer
    x = 204,502.20

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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.