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Finding the Fourth Proportional to 60,234.30, 90,286.65 and 22,779.90

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Solution

The fourth proportional to 60,234.30, 90,286.65 and 22,779.90 is: 34,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,234.30 : 90,286.65 = 22,779.90 : x
  2. Step 2: Convert to fraction form
    60,234.30/90,286.65 = 22,779.90/x
  3. Step 3: Cross multiply
    60,234.30x = 90,286.65 × 22,779.90
  4. Step 4: Simplify right side
    60,234.30x = 2,056,720,858.34
  5. Step 5: Solve for x
    x = 2,056,720,858.34/60,234.30
  6. Step 6: Final answer
    x = 34,145.34

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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.