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Finding the Fourth Proportional to 133,954.48, 200,897.88 and 49,668.32

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Solution

The fourth proportional to 133,954.48, 200,897.88 and 49,668.32 is: 74,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,954.48 : 200,897.88 = 49,668.32 : x
  2. Step 2: Convert to fraction form
    133,954.48/200,897.88 = 49,668.32/x
  3. Step 3: Cross multiply
    133,954.48x = 200,897.88 × 49,668.32
  4. Step 4: Simplify right side
    133,954.48x = 9,978,260,191.16
  5. Step 5: Solve for x
    x = 9,978,260,191.16/133,954.48
  6. Step 6: Final answer
    x = 74,489.93

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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.