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Finding the Fourth Proportional to 133,798.41, 200,699.06 and 40,304.97

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Solution

The fourth proportional to 133,798.41, 200,699.06 and 40,304.97 is: 60,457.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,798.41 : 200,699.06 = 40,304.97 : x
  2. Step 2: Convert to fraction form
    133,798.41/200,699.06 = 40,304.97/x
  3. Step 3: Cross multiply
    133,798.41x = 200,699.06 × 40,304.97
  4. Step 4: Simplify right side
    133,798.41x = 8,089,169,390.80
  5. Step 5: Solve for x
    x = 8,089,169,390.80/133,798.41
  6. Step 6: Final answer
    x = 60,457.89

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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.