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Finding the Fourth Proportional to 60,354.10, 90,530.70 and 18,234.10

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Solution

The fourth proportional to 60,354.10, 90,530.70 and 18,234.10 is: 27,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,354.10 : 90,530.70 = 18,234.10 : x
  2. Step 2: Convert to fraction form
    60,354.10/90,530.70 = 18,234.10/x
  3. Step 3: Cross multiply
    60,354.10x = 90,530.70 × 18,234.10
  4. Step 4: Simplify right side
    60,354.10x = 1,650,745,836.87
  5. Step 5: Solve for x
    x = 1,650,745,836.87/60,354.10
  6. Step 6: Final answer
    x = 27,351.01

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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.