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Finding the Fourth Proportional to 294,239.80, 441,014.10 and 136,134.28

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Solution

The fourth proportional to 294,239.80, 441,014.10 and 136,134.28 is: 204,041.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,239.80 : 441,014.10 = 136,134.28 : x
  2. Step 2: Convert to fraction form
    294,239.80/441,014.10 = 136,134.28/x
  3. Step 3: Cross multiply
    294,239.80x = 441,014.10 × 136,134.28
  4. Step 4: Simplify right side
    294,239.80x = 60,037,136,973.35
  5. Step 5: Solve for x
    x = 60,037,136,973.35/294,239.80
  6. Step 6: Final answer
    x = 204,041.52

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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.