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Finding the Fourth Proportional to 73,311.60, 110,010.60 and 26,558.40

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Solution

The fourth proportional to 73,311.60, 110,010.60 and 26,558.40 is: 39,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,311.60 : 110,010.60 = 26,558.40 : x
  2. Step 2: Convert to fraction form
    73,311.60/110,010.60 = 26,558.40/x
  3. Step 3: Cross multiply
    73,311.60x = 110,010.60 × 26,558.40
  4. Step 4: Simplify right side
    73,311.60x = 2,921,705,519.04
  5. Step 5: Solve for x
    x = 2,921,705,519.04/73,311.60
  6. Step 6: Final answer
    x = 39,853.25

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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.