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Finding the Fourth Proportional to 170,207.60, 254,850.60 and 133,343.60

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Solution

The fourth proportional to 170,207.60, 254,850.60 and 133,343.60 is: 199,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,207.60 : 254,850.60 = 133,343.60 : x
  2. Step 2: Convert to fraction form
    170,207.60/254,850.60 = 133,343.60/x
  3. Step 3: Cross multiply
    170,207.60x = 254,850.60 × 133,343.60
  4. Step 4: Simplify right side
    170,207.60x = 33,982,696,466.16
  5. Step 5: Solve for x
    x = 33,982,696,466.16/170,207.60
  6. Step 6: Final answer
    x = 199,654.40

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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.