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Finding the Fourth Proportional to 114,427.98, 157,919.93 and 63,456.67

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Solution

The fourth proportional to 114,427.98, 157,919.93 and 63,456.67 is: 87,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,427.98 : 157,919.93 = 63,456.67 : x
  2. Step 2: Convert to fraction form
    114,427.98/157,919.93 = 63,456.67/x
  3. Step 3: Cross multiply
    114,427.98x = 157,919.93 × 63,456.67
  4. Step 4: Simplify right side
    114,427.98x = 10,021,072,884.43
  5. Step 5: Solve for x
    x = 10,021,072,884.43/114,427.98
  6. Step 6: Final answer
    x = 87,575.37

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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.