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Finding the Fourth Proportional to 71,841.64, 107,811.80 and 25,094.56

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Solution

The fourth proportional to 71,841.64, 107,811.80 and 25,094.56 is: 37,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,841.64 : 107,811.80 = 25,094.56 : x
  2. Step 2: Convert to fraction form
    71,841.64/107,811.80 = 25,094.56/x
  3. Step 3: Cross multiply
    71,841.64x = 107,811.80 × 25,094.56
  4. Step 4: Simplify right side
    71,841.64x = 2,705,489,683.81
  5. Step 5: Solve for x
    x = 2,705,489,683.81/71,841.64
  6. Step 6: Final answer
    x = 37,659.07

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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.