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Finding the Fourth Proportional to 80,403.33, 120,615.66 and 29,795.34

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Solution

The fourth proportional to 80,403.33, 120,615.66 and 29,795.34 is: 44,696.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,403.33 : 120,615.66 = 29,795.34 : x
  2. Step 2: Convert to fraction form
    80,403.33/120,615.66 = 29,795.34/x
  3. Step 3: Cross multiply
    80,403.33x = 120,615.66 × 29,795.34
  4. Step 4: Simplify right side
    80,403.33x = 3,593,784,599.02
  5. Step 5: Solve for x
    x = 3,593,784,599.02/80,403.33
  6. Step 6: Final answer
    x = 44,696.96

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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.