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Finding the Fourth Proportional to 85,449.33, 117,926.96 and 47,212.22

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Solution

The fourth proportional to 85,449.33, 117,926.96 and 47,212.22 is: 65,156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,449.33 : 117,926.96 = 47,212.22 : x
  2. Step 2: Convert to fraction form
    85,449.33/117,926.96 = 47,212.22/x
  3. Step 3: Cross multiply
    85,449.33x = 117,926.96 × 47,212.22
  4. Step 4: Simplify right side
    85,449.33x = 5,567,593,638.21
  5. Step 5: Solve for x
    x = 5,567,593,638.21/85,449.33
  6. Step 6: Final answer
    x = 65,156.67

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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.