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Finding the Fourth Proportional to 114,358.23, 157,815.29 and 63,371.82

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Solution

The fourth proportional to 114,358.23, 157,815.29 and 63,371.82 is: 87,453.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,358.23 : 157,815.29 = 63,371.82 : x
  2. Step 2: Convert to fraction form
    114,358.23/157,815.29 = 63,371.82/x
  3. Step 3: Cross multiply
    114,358.23x = 157,815.29 × 63,371.82
  4. Step 4: Simplify right side
    114,358.23x = 10,001,042,901.36
  5. Step 5: Solve for x
    x = 10,001,042,901.36/114,358.23
  6. Step 6: Final answer
    x = 87,453.63

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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.