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Finding the Fourth Proportional to 77,401.56, 116,104.90 and 27,480.98

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Solution

The fourth proportional to 77,401.56, 116,104.90 and 27,480.98 is: 41,222.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,401.56 : 116,104.90 = 27,480.98 : x
  2. Step 2: Convert to fraction form
    77,401.56/116,104.90 = 27,480.98/x
  3. Step 3: Cross multiply
    77,401.56x = 116,104.90 × 27,480.98
  4. Step 4: Simplify right side
    77,401.56x = 3,190,676,434.80
  5. Step 5: Solve for x
    x = 3,190,676,434.80/77,401.56
  6. Step 6: Final answer
    x = 41,222.38

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1.5x scale

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.