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Finding the Fourth Proportional to 133,368.41, 200,086.79 and 113,169.41

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Solution

The fourth proportional to 133,368.41, 200,086.79 and 113,169.41 is: 169,783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,368.41 : 200,086.79 = 113,169.41 : x
  2. Step 2: Convert to fraction form
    133,368.41/200,086.79 = 113,169.41/x
  3. Step 3: Cross multiply
    133,368.41x = 200,086.79 × 113,169.41
  4. Step 4: Simplify right side
    133,368.41x = 22,643,702,406.81
  5. Step 5: Solve for x
    x = 22,643,702,406.81/133,368.41
  6. Step 6: Final answer
    x = 169,783.11

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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.