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Finding the Fourth Proportional to 79,333.75, 109,480.58 and 45,799.75

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Solution

The fourth proportional to 79,333.75, 109,480.58 and 45,799.75 is: 63,203.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,333.75 : 109,480.58 = 45,799.75 : x
  2. Step 2: Convert to fraction form
    79,333.75/109,480.58 = 45,799.75/x
  3. Step 3: Cross multiply
    79,333.75x = 109,480.58 × 45,799.75
  4. Step 4: Simplify right side
    79,333.75x = 5,014,183,193.86
  5. Step 5: Solve for x
    x = 5,014,183,193.86/79,333.75
  6. Step 6: Final answer
    x = 63,203.66

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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.