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Finding the Fourth Proportional to 294,073.10, 441,340.05 and 136,321.10

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Solution

The fourth proportional to 294,073.10, 441,340.05 and 136,321.10 is: 204,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,073.10 : 441,340.05 = 136,321.10 : x
  2. Step 2: Convert to fraction form
    294,073.10/441,340.05 = 136,321.10/x
  3. Step 3: Cross multiply
    294,073.10x = 441,340.05 × 136,321.10
  4. Step 4: Simplify right side
    294,073.10x = 60,163,961,090.06
  5. Step 5: Solve for x
    x = 60,163,961,090.06/294,073.10
  6. Step 6: Final answer
    x = 204,588.45

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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.