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Finding the Fourth Proportional to 104,093.39, 156,140.49 and 25,207.70

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Solution

The fourth proportional to 104,093.39, 156,140.49 and 25,207.70 is: 37,811.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,093.39 : 156,140.49 = 25,207.70 : x
  2. Step 2: Convert to fraction form
    104,093.39/156,140.49 = 25,207.70/x
  3. Step 3: Cross multiply
    104,093.39x = 156,140.49 × 25,207.70
  4. Step 4: Simplify right side
    104,093.39x = 3,935,941,943.60
  5. Step 5: Solve for x
    x = 3,935,941,943.60/104,093.39
  6. Step 6: Final answer
    x = 37,811.64

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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.