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Finding the Fourth Proportional to 133,084.40, 199,626.60 and 127,835.60

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Solution

The fourth proportional to 133,084.40, 199,626.60 and 127,835.60 is: 191,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,084.40 : 199,626.60 = 127,835.60 : x
  2. Step 2: Convert to fraction form
    133,084.40/199,626.60 = 127,835.60/x
  3. Step 3: Cross multiply
    133,084.40x = 199,626.60 × 127,835.60
  4. Step 4: Simplify right side
    133,084.40x = 25,519,386,186.96
  5. Step 5: Solve for x
    x = 25,519,386,186.96/133,084.40
  6. Step 6: Final answer
    x = 191,753.40

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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.