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Finding the Fourth Proportional to 163,515.30, 244,927.35 and 146,004.90

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Solution

The fourth proportional to 163,515.30, 244,927.35 and 146,004.90 is: 218,698.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,515.30 : 244,927.35 = 146,004.90 : x
  2. Step 2: Convert to fraction form
    163,515.30/244,927.35 = 146,004.90/x
  3. Step 3: Cross multiply
    163,515.30x = 244,927.35 × 146,004.90
  4. Step 4: Simplify right side
    163,515.30x = 35,760,593,244.02
  5. Step 5: Solve for x
    x = 35,760,593,244.02/163,515.30
  6. Step 6: Final answer
    x = 218,698.76

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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.