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Finding the Fourth Proportional to 114,563.28, 171,803.92 and 39,663.32

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Solution

The fourth proportional to 114,563.28, 171,803.92 and 39,663.32 is: 59,480.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,563.28 : 171,803.92 = 39,663.32 : x
  2. Step 2: Convert to fraction form
    114,563.28/171,803.92 = 39,663.32/x
  3. Step 3: Cross multiply
    114,563.28x = 171,803.92 × 39,663.32
  4. Step 4: Simplify right side
    114,563.28x = 6,814,313,856.21
  5. Step 5: Solve for x
    x = 6,814,313,856.21/114,563.28
  6. Step 6: Final answer
    x = 59,480.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.