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Finding the Fourth Proportional to 114,270.88, 157,679 and 63,969.92

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Solution

The fourth proportional to 114,270.88, 157,679 and 63,969.92 is: 88,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,270.88 : 157,679 = 63,969.92 : x
  2. Step 2: Convert to fraction form
    114,270.88/157,679 = 63,969.92/x
  3. Step 3: Cross multiply
    114,270.88x = 157,679 × 63,969.92
  4. Step 4: Simplify right side
    114,270.88x = 10,086,713,015.68
  5. Step 5: Solve for x
    x = 10,086,713,015.68/114,270.88
  6. Step 6: Final answer
    x = 88,270.20

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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.