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Finding the Fourth Proportional to 80,580.96, 120,756.83 and 59,354.07

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Solution

The fourth proportional to 80,580.96, 120,756.83 and 59,354.07 is: 88,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,580.96 : 120,756.83 = 59,354.07 : x
  2. Step 2: Convert to fraction form
    80,580.96/120,756.83 = 59,354.07/x
  3. Step 3: Cross multiply
    80,580.96x = 120,756.83 × 59,354.07
  4. Step 4: Simplify right side
    80,580.96x = 7,167,409,604.31
  5. Step 5: Solve for x
    x = 7,167,409,604.31/80,580.96
  6. Step 6: Final answer
    x = 88,946.69

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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.