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Finding the Fourth Proportional to 308,806.93, 463,247.75 and 109,086.44

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Solution

The fourth proportional to 308,806.93, 463,247.75 and 109,086.44 is: 163,642.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,806.93 : 463,247.75 = 109,086.44 : x
  2. Step 2: Convert to fraction form
    308,806.93/463,247.75 = 109,086.44/x
  3. Step 3: Cross multiply
    308,806.93x = 463,247.75 × 109,086.44
  4. Step 4: Simplify right side
    308,806.93x = 50,534,047,885.51
  5. Step 5: Solve for x
    x = 50,534,047,885.51/308,806.93
  6. Step 6: Final answer
    x = 163,642.86

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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.