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Finding the Fourth Proportional to 163,003.20, 244,504.80 and 93,019.20

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Solution

The fourth proportional to 163,003.20, 244,504.80 and 93,019.20 is: 139,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,003.20 : 244,504.80 = 93,019.20 : x
  2. Step 2: Convert to fraction form
    163,003.20/244,504.80 = 93,019.20/x
  3. Step 3: Cross multiply
    163,003.20x = 244,504.80 × 93,019.20
  4. Step 4: Simplify right side
    163,003.20x = 22,743,640,892.16
  5. Step 5: Solve for x
    x = 22,743,640,892.16/163,003.20
  6. Step 6: Final answer
    x = 139,528.80

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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.