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Finding the Fourth Proportional to 163,047.72, 244,571.73 and 131,308.95

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Solution

The fourth proportional to 163,047.72, 244,571.73 and 131,308.95 is: 196,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,047.72 : 244,571.73 = 131,308.95 : x
  2. Step 2: Convert to fraction form
    163,047.72/244,571.73 = 131,308.95/x
  3. Step 3: Cross multiply
    163,047.72x = 244,571.73 × 131,308.95
  4. Step 4: Simplify right side
    163,047.72x = 32,114,457,065.98
  5. Step 5: Solve for x
    x = 32,114,457,065.98/163,047.72
  6. Step 6: Final answer
    x = 196,963.55

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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.