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Finding the Fourth Proportional to 115,770.87, 173,676.96 and 40,934.46

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Solution

The fourth proportional to 115,770.87, 173,676.96 and 40,934.46 is: 61,409.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,770.87 : 173,676.96 = 40,934.46 : x
  2. Step 2: Convert to fraction form
    115,770.87/173,676.96 = 40,934.46/x
  3. Step 3: Cross multiply
    115,770.87x = 173,676.96 × 40,934.46
  4. Step 4: Simplify right side
    115,770.87x = 7,109,373,223.33
  5. Step 5: Solve for x
    x = 7,109,373,223.33/115,770.87
  6. Step 6: Final answer
    x = 61,409.00

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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.