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Finding the Fourth Proportional to 84,805.92, 117,028.08 and 48,996.96

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Solution

The fourth proportional to 84,805.92, 117,028.08 and 48,996.96 is: 67,613.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,805.92 : 117,028.08 = 48,996.96 : x
  2. Step 2: Convert to fraction form
    84,805.92/117,028.08 = 48,996.96/x
  3. Step 3: Cross multiply
    84,805.92x = 117,028.08 × 48,996.96
  4. Step 4: Simplify right side
    84,805.92x = 5,734,020,154.64
  5. Step 5: Solve for x
    x = 5,734,020,154.64/84,805.92
  6. Step 6: Final answer
    x = 67,613.44

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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.