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Finding the Fourth Proportional to 132,809.76, 199,140.66 and 44,014.86

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Solution

The fourth proportional to 132,809.76, 199,140.66 and 44,014.86 is: 65,997.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,809.76 : 199,140.66 = 44,014.86 : x
  2. Step 2: Convert to fraction form
    132,809.76/199,140.66 = 44,014.86/x
  3. Step 3: Cross multiply
    132,809.76x = 199,140.66 × 44,014.86
  4. Step 4: Simplify right side
    132,809.76x = 8,765,148,270.21
  5. Step 5: Solve for x
    x = 8,765,148,270.21/132,809.76
  6. Step 6: Final answer
    x = 65,997.77

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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.