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Finding the Fourth Proportional to 79,546.96, 109,774.88 and 43,737.58

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Solution

The fourth proportional to 79,546.96, 109,774.88 and 43,737.58 is: 60,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,546.96 : 109,774.88 = 43,737.58 : x
  2. Step 2: Convert to fraction form
    79,546.96/109,774.88 = 43,737.58/x
  3. Step 3: Cross multiply
    79,546.96x = 109,774.88 × 43,737.58
  4. Step 4: Simplify right side
    79,546.96x = 4,801,287,595.99
  5. Step 5: Solve for x
    x = 4,801,287,595.99/79,546.96
  6. Step 6: Final answer
    x = 60,357.90

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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.