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Finding the Fourth Proportional to 133,189.76, 199,757.61 and 48,920.96

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Solution

The fourth proportional to 133,189.76, 199,757.61 and 48,920.96 is: 73,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,189.76 : 199,757.61 = 48,920.96 : x
  2. Step 2: Convert to fraction form
    133,189.76/199,757.61 = 48,920.96/x
  3. Step 3: Cross multiply
    133,189.76x = 199,757.61 × 48,920.96
  4. Step 4: Simplify right side
    133,189.76x = 9,772,334,048.51
  5. Step 5: Solve for x
    x = 9,772,334,048.51/133,189.76
  6. Step 6: Final answer
    x = 73,371.51

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1.5x scale

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.