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Finding the Fourth Proportional to 85,496.96, 128,245.44 and 23,167.48

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Solution

The fourth proportional to 85,496.96, 128,245.44 and 23,167.48 is: 34,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,496.96 : 128,245.44 = 23,167.48 : x
  2. Step 2: Convert to fraction form
    85,496.96/128,245.44 = 23,167.48/x
  3. Step 3: Cross multiply
    85,496.96x = 128,245.44 × 23,167.48
  4. Step 4: Simplify right side
    85,496.96x = 2,971,123,666.29
  5. Step 5: Solve for x
    x = 2,971,123,666.29/85,496.96
  6. Step 6: Final answer
    x = 34,751.22

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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.