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Finding the Fourth Proportional to 114,659.81, 158,223.48 and 63,669.44

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Solution

The fourth proportional to 114,659.81, 158,223.48 and 63,669.44 is: 87,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,659.81 : 158,223.48 = 63,669.44 : x
  2. Step 2: Convert to fraction form
    114,659.81/158,223.48 = 63,669.44/x
  3. Step 3: Cross multiply
    114,659.81x = 158,223.48 × 63,669.44
  4. Step 4: Simplify right side
    114,659.81x = 10,074,000,366.45
  5. Step 5: Solve for x
    x = 10,074,000,366.45/114,659.81
  6. Step 6: Final answer
    x = 87,859.91

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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.