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Finding the Fourth Proportional to 164,286.72, 246,430.35 and 39,627.72

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Solution

The fourth proportional to 164,286.72, 246,430.35 and 39,627.72 is: 59,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,286.72 : 246,430.35 = 39,627.72 : x
  2. Step 2: Convert to fraction form
    164,286.72/246,430.35 = 39,627.72/x
  3. Step 3: Cross multiply
    164,286.72x = 246,430.35 × 39,627.72
  4. Step 4: Simplify right side
    164,286.72x = 9,765,472,909.30
  5. Step 5: Solve for x
    x = 9,765,472,909.30/164,286.72
  6. Step 6: Final answer
    x = 59,441.65

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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.