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Finding the Fourth Proportional to 448,693.63, 673,171.67 and 133,158.75

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Solution

The fourth proportional to 448,693.63, 673,171.67 and 133,158.75 is: 199,777.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,693.63 : 673,171.67 = 133,158.75 : x
  2. Step 2: Convert to fraction form
    448,693.63/673,171.67 = 133,158.75/x
  3. Step 3: Cross multiply
    448,693.63x = 673,171.67 × 133,158.75
  4. Step 4: Simplify right side
    448,693.63x = 89,638,698,112.61
  5. Step 5: Solve for x
    x = 89,638,698,112.61/448,693.63
  6. Step 6: Final answer
    x = 199,777.07

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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.