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Finding the Fourth Proportional to 73,586.80, 110,388.30 and 23,658.40

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Solution

The fourth proportional to 73,586.80, 110,388.30 and 23,658.40 is: 35,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,586.80 : 110,388.30 = 23,658.40 : x
  2. Step 2: Convert to fraction form
    73,586.80/110,388.30 = 23,658.40/x
  3. Step 3: Cross multiply
    73,586.80x = 110,388.30 × 23,658.40
  4. Step 4: Simplify right side
    73,586.80x = 2,611,610,556.72
  5. Step 5: Solve for x
    x = 2,611,610,556.72/73,586.80
  6. Step 6: Final answer
    x = 35,490.20

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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.