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Finding the Fourth Proportional to 80,233.94, 110,722.95 and 43,935.21

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Solution

The fourth proportional to 80,233.94, 110,722.95 and 43,935.21 is: 60,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,233.94 : 110,722.95 = 43,935.21 : x
  2. Step 2: Convert to fraction form
    80,233.94/110,722.95 = 43,935.21/x
  3. Step 3: Cross multiply
    80,233.94x = 110,722.95 × 43,935.21
  4. Step 4: Simplify right side
    80,233.94x = 4,864,636,060.07
  5. Step 5: Solve for x
    x = 4,864,636,060.07/80,233.94
  6. Step 6: Final answer
    x = 60,630.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.