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Finding the Fourth Proportional to 294,237.80, 441,011.10 and 136,132.28

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Solution

The fourth proportional to 294,237.80, 441,011.10 and 136,132.28 is: 204,038.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,237.80 : 441,011.10 = 136,132.28 : x
  2. Step 2: Convert to fraction form
    294,237.80/441,011.10 = 136,132.28/x
  3. Step 3: Cross multiply
    294,237.80x = 441,011.10 × 136,132.28
  4. Step 4: Simplify right side
    294,237.80x = 60,035,846,548.31
  5. Step 5: Solve for x
    x = 60,035,846,548.31/294,237.80
  6. Step 6: Final answer
    x = 204,038.52

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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.