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Finding the Fourth Proportional to 133,687.45, 200,523.79 and 44,931.79

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Solution

The fourth proportional to 133,687.45, 200,523.79 and 44,931.79 is: 67,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,687.45 : 200,523.79 = 44,931.79 : x
  2. Step 2: Convert to fraction form
    133,687.45/200,523.79 = 44,931.79/x
  3. Step 3: Cross multiply
    133,687.45x = 200,523.79 × 44,931.79
  4. Step 4: Simplify right side
    133,687.45x = 9,009,892,822.28
  5. Step 5: Solve for x
    x = 9,009,892,822.28/133,687.45
  6. Step 6: Final answer
    x = 67,395.20

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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.