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Finding the Fourth Proportional to 114,777.64, 158,350.02 and 84,634.96

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Solution

The fourth proportional to 114,777.64, 158,350.02 and 84,634.96 is: 116,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,777.64 : 158,350.02 = 84,634.96 : x
  2. Step 2: Convert to fraction form
    114,777.64/158,350.02 = 84,634.96/x
  3. Step 3: Cross multiply
    114,777.64x = 158,350.02 × 84,634.96
  4. Step 4: Simplify right side
    114,777.64x = 13,401,947,608.70
  5. Step 5: Solve for x
    x = 13,401,947,608.70/114,777.64
  6. Step 6: Final answer
    x = 116,764.45

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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.