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Finding the Fourth Proportional to 238,074.48, 356,936.76 and 113,502.96

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Solution

The fourth proportional to 238,074.48, 356,936.76 and 113,502.96 is: 170,171.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,074.48 : 356,936.76 = 113,502.96 : x
  2. Step 2: Convert to fraction form
    238,074.48/356,936.76 = 113,502.96/x
  3. Step 3: Cross multiply
    238,074.48x = 356,936.76 × 113,502.96
  4. Step 4: Simplify right side
    238,074.48x = 40,513,378,792.81
  5. Step 5: Solve for x
    x = 40,513,378,792.81/238,074.48
  6. Step 6: Final answer
    x = 170,171.03

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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.