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Finding the Fourth Proportional to 376,660.94, 564,991.40 and 166,256.96

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Solution

The fourth proportional to 376,660.94, 564,991.40 and 166,256.96 is: 249,385.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,660.94 : 564,991.40 = 166,256.96 : x
  2. Step 2: Convert to fraction form
    376,660.94/564,991.40 = 166,256.96/x
  3. Step 3: Cross multiply
    376,660.94x = 564,991.40 × 166,256.96
  4. Step 4: Simplify right side
    376,660.94x = 93,933,750,180.83
  5. Step 5: Solve for x
    x = 93,933,750,180.83/376,660.94
  6. Step 6: Final answer
    x = 249,385.43

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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.