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Finding the Fourth Proportional to 114,438.85, 157,923.97 and 63,451.68

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Solution

The fourth proportional to 114,438.85, 157,923.97 and 63,451.68 is: 87,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,438.85 : 157,923.97 = 63,451.68 : x
  2. Step 2: Convert to fraction form
    114,438.85/157,923.97 = 63,451.68/x
  3. Step 3: Cross multiply
    114,438.85x = 157,923.97 × 63,451.68
  4. Step 4: Simplify right side
    114,438.85x = 10,020,541,208.77
  5. Step 5: Solve for x
    x = 10,020,541,208.77/114,438.85
  6. Step 6: Final answer
    x = 87,562.41

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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.