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Finding the Fourth Proportional to 79,230.12, 118,842.74 and 32,447.76

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Solution

The fourth proportional to 79,230.12, 118,842.74 and 32,447.76 is: 48,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,230.12 : 118,842.74 = 32,447.76 : x
  2. Step 2: Convert to fraction form
    79,230.12/118,842.74 = 32,447.76/x
  3. Step 3: Cross multiply
    79,230.12x = 118,842.74 × 32,447.76
  4. Step 4: Simplify right side
    79,230.12x = 3,856,180,705.26
  5. Step 5: Solve for x
    x = 3,856,180,705.26/79,230.12
  6. Step 6: Final answer
    x = 48,670.64

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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.