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Finding the Fourth Proportional to 77,610.43, 116,412.40 and 22,206.43

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Solution

The fourth proportional to 77,610.43, 116,412.40 and 22,206.43 is: 33,308.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,610.43 : 116,412.40 = 22,206.43 : x
  2. Step 2: Convert to fraction form
    77,610.43/116,412.40 = 22,206.43/x
  3. Step 3: Cross multiply
    77,610.43x = 116,412.40 × 22,206.43
  4. Step 4: Simplify right side
    77,610.43x = 2,585,103,548.46
  5. Step 5: Solve for x
    x = 2,585,103,548.46/77,610.43
  6. Step 6: Final answer
    x = 33,308.71

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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.