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Finding the Fourth Proportional to 80,652.98, 120,966.51 and 25,248.98

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Solution

The fourth proportional to 80,652.98, 120,966.51 and 25,248.98 is: 37,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,652.98 : 120,966.51 = 25,248.98 : x
  2. Step 2: Convert to fraction form
    80,652.98/120,966.51 = 25,248.98/x
  3. Step 3: Cross multiply
    80,652.98x = 120,966.51 × 25,248.98
  4. Step 4: Simplify right side
    80,652.98x = 3,054,280,991.66
  5. Step 5: Solve for x
    x = 3,054,280,991.66/80,652.98
  6. Step 6: Final answer
    x = 37,869.41

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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.