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Finding the Fourth Proportional to 114,536.67, 158,079.57 and 63,565.78

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Solution

The fourth proportional to 114,536.67, 158,079.57 and 63,565.78 is: 87,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,536.67 : 158,079.57 = 63,565.78 : x
  2. Step 2: Convert to fraction form
    114,536.67/158,079.57 = 63,565.78/x
  3. Step 3: Cross multiply
    114,536.67x = 158,079.57 × 63,565.78
  4. Step 4: Simplify right side
    114,536.67x = 10,048,450,596.70
  5. Step 5: Solve for x
    x = 10,048,450,596.70/114,536.67
  6. Step 6: Final answer
    x = 87,731.29

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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.