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Finding the Fourth Proportional to 170,233.60, 254,889.60 and 133,369.60

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Solution

The fourth proportional to 170,233.60, 254,889.60 and 133,369.60 is: 199,693.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,233.60 : 254,889.60 = 133,369.60 : x
  2. Step 2: Convert to fraction form
    170,233.60/254,889.60 = 133,369.60/x
  3. Step 3: Cross multiply
    170,233.60x = 254,889.60 × 133,369.60
  4. Step 4: Simplify right side
    170,233.60x = 33,994,523,996.16
  5. Step 5: Solve for x
    x = 33,994,523,996.16/170,233.60
  6. Step 6: Final answer
    x = 199,693.39

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1.5x scale

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.