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Finding the Fourth Proportional to 114,674.03, 171,749.15 and 54,744.66

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Solution

The fourth proportional to 114,674.03, 171,749.15 and 54,744.66 is: 81,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,674.03 : 171,749.15 = 54,744.66 : x
  2. Step 2: Convert to fraction form
    114,674.03/171,749.15 = 54,744.66/x
  3. Step 3: Cross multiply
    114,674.03x = 171,749.15 × 54,744.66
  4. Step 4: Simplify right side
    114,674.03x = 9,402,348,822.04
  5. Step 5: Solve for x
    x = 9,402,348,822.04/114,674.03
  6. Step 6: Final answer
    x = 81,991.96

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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.