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Finding the Fourth Proportional to 133,530.80, 200,328.60 and 94,164.80

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Solution

The fourth proportional to 133,530.80, 200,328.60 and 94,164.80 is: 141,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,530.80 : 200,328.60 = 94,164.80 : x
  2. Step 2: Convert to fraction form
    133,530.80/200,328.60 = 94,164.80/x
  3. Step 3: Cross multiply
    133,530.80x = 200,328.60 × 94,164.80
  4. Step 4: Simplify right side
    133,530.80x = 18,863,902,553.28
  5. Step 5: Solve for x
    x = 18,863,902,553.28/133,530.80
  6. Step 6: Final answer
    x = 141,270.05

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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.