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Finding the Fourth Proportional to 237,871.44, 328,259.88 and 137,267.28

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Solution

The fourth proportional to 237,871.44, 328,259.88 and 137,267.28 is: 189,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,871.44 : 328,259.88 = 137,267.28 : x
  2. Step 2: Convert to fraction form
    237,871.44/328,259.88 = 137,267.28/x
  3. Step 3: Cross multiply
    237,871.44x = 328,259.88 × 137,267.28
  4. Step 4: Simplify right side
    237,871.44x = 45,059,340,860.73
  5. Step 5: Solve for x
    x = 45,059,340,860.73/237,871.44
  6. Step 6: Final answer
    x = 189,427.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.