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Finding the Fourth Proportional to 94,422.80, 141,504.60 and 76,926.80

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Solution

The fourth proportional to 94,422.80, 141,504.60 and 76,926.80 is: 115,284.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,422.80 : 141,504.60 = 76,926.80 : x
  2. Step 2: Convert to fraction form
    94,422.80/141,504.60 = 76,926.80/x
  3. Step 3: Cross multiply
    94,422.80x = 141,504.60 × 76,926.80
  4. Step 4: Simplify right side
    94,422.80x = 10,885,496,063.28
  5. Step 5: Solve for x
    x = 10,885,496,063.28/94,422.80
  6. Step 6: Final answer
    x = 115,284.61

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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.