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Finding the Fourth Proportional to 77,611.93, 116,414.65 and 22,207.93

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Solution

The fourth proportional to 77,611.93, 116,414.65 and 22,207.93 is: 33,310.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,611.93 : 116,414.65 = 22,207.93 : x
  2. Step 2: Convert to fraction form
    77,611.93/116,414.65 = 22,207.93/x
  3. Step 3: Cross multiply
    77,611.93x = 116,414.65 × 22,207.93
  4. Step 4: Simplify right side
    77,611.93x = 2,585,328,398.17
  5. Step 5: Solve for x
    x = 2,585,328,398.17/77,611.93
  6. Step 6: Final answer
    x = 33,310.97

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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.