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Finding the Fourth Proportional to 114,367.79, 157,828.50 and 63,381.39

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Solution

The fourth proportional to 114,367.79, 157,828.50 and 63,381.39 is: 87,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,367.79 : 157,828.50 = 63,381.39 : x
  2. Step 2: Convert to fraction form
    114,367.79/157,828.50 = 63,381.39/x
  3. Step 3: Cross multiply
    114,367.79x = 157,828.50 × 63,381.39
  4. Step 4: Simplify right side
    114,367.79x = 10,003,389,711.62
  5. Step 5: Solve for x
    x = 10,003,389,711.62/114,367.79
  6. Step 6: Final answer
    x = 87,466.85

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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.