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Finding the Fourth Proportional to 77,605.74, 116,405.37 and 22,201.74

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Solution

The fourth proportional to 77,605.74, 116,405.37 and 22,201.74 is: 33,301.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,605.74 : 116,405.37 = 22,201.74 : x
  2. Step 2: Convert to fraction form
    77,605.74/116,405.37 = 22,201.74/x
  3. Step 3: Cross multiply
    77,605.74x = 116,405.37 × 22,201.74
  4. Step 4: Simplify right side
    77,605.74x = 2,584,401,759.34
  5. Step 5: Solve for x
    x = 2,584,401,759.34/77,605.74
  6. Step 6: Final answer
    x = 33,301.68

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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.