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Finding the Fourth Proportional to 114,447.48, 157,942.56 and 63,456.96

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Solution

The fourth proportional to 114,447.48, 157,942.56 and 63,456.96 is: 87,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,447.48 : 157,942.56 = 63,456.96 : x
  2. Step 2: Convert to fraction form
    114,447.48/157,942.56 = 63,456.96/x
  3. Step 3: Cross multiply
    114,447.48x = 157,942.56 × 63,456.96
  4. Step 4: Simplify right side
    114,447.48x = 10,022,554,712.22
  5. Step 5: Solve for x
    x = 10,022,554,712.22/114,447.48
  6. Step 6: Final answer
    x = 87,573.40

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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.