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Finding the Fourth Proportional to 294,233.30, 441,004.35 and 136,127.78

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Solution

The fourth proportional to 294,233.30, 441,004.35 and 136,127.78 is: 204,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,233.30 : 441,004.35 = 136,127.78 : x
  2. Step 2: Convert to fraction form
    294,233.30/441,004.35 = 136,127.78/x
  3. Step 3: Cross multiply
    294,233.30x = 441,004.35 × 136,127.78
  4. Step 4: Simplify right side
    294,233.30x = 60,032,943,135.84
  5. Step 5: Solve for x
    x = 60,032,943,135.84/294,233.30
  6. Step 6: Final answer
    x = 204,031.78

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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.