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Finding the Fourth Proportional to 92,654.54, 138,980.44 and 29,478.49

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Solution

The fourth proportional to 92,654.54, 138,980.44 and 29,478.49 is: 44,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,654.54 : 138,980.44 = 29,478.49 : x
  2. Step 2: Convert to fraction form
    92,654.54/138,980.44 = 29,478.49/x
  3. Step 3: Cross multiply
    92,654.54x = 138,980.44 × 29,478.49
  4. Step 4: Simplify right side
    92,654.54x = 4,096,933,510.74
  5. Step 5: Solve for x
    x = 4,096,933,510.74/92,654.54
  6. Step 6: Final answer
    x = 44,217.30

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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.