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Finding the Fourth Proportional to 114,505.97, 158,010.37 and 63,516.67

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Solution

The fourth proportional to 114,505.97, 158,010.37 and 63,516.67 is: 87,648.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,505.97 : 158,010.37 = 63,516.67 : x
  2. Step 2: Convert to fraction form
    114,505.97/158,010.37 = 63,516.67/x
  3. Step 3: Cross multiply
    114,505.97x = 158,010.37 × 63,516.67
  4. Step 4: Simplify right side
    114,505.97x = 10,036,291,974.05
  5. Step 5: Solve for x
    x = 10,036,291,974.05/114,505.97
  6. Step 6: Final answer
    x = 87,648.64

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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.