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Finding the Fourth Proportional to 80,906.48, 111,654.40 and 45,096.48

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Solution

The fourth proportional to 80,906.48, 111,654.40 and 45,096.48 is: 62,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,906.48 : 111,654.40 = 45,096.48 : x
  2. Step 2: Convert to fraction form
    80,906.48/111,654.40 = 45,096.48/x
  3. Step 3: Cross multiply
    80,906.48x = 111,654.40 × 45,096.48
  4. Step 4: Simplify right side
    80,906.48x = 5,035,220,416.51
  5. Step 5: Solve for x
    x = 5,035,220,416.51/80,906.48
  6. Step 6: Final answer
    x = 62,235.07

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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.