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Finding the Fourth Proportional to 248,821.60, 373,318.80 and 108,680.80

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Solution

The fourth proportional to 248,821.60, 373,318.80 and 108,680.80 is: 163,058.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,821.60 : 373,318.80 = 108,680.80 : x
  2. Step 2: Convert to fraction form
    248,821.60/373,318.80 = 108,680.80/x
  3. Step 3: Cross multiply
    248,821.60x = 373,318.80 × 108,680.80
  4. Step 4: Simplify right side
    248,821.60x = 40,572,585,839.04
  5. Step 5: Solve for x
    x = 40,572,585,839.04/248,821.60
  6. Step 6: Final answer
    x = 163,058.94

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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.