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Finding the Fourth Proportional to 133,718.80, 200,529.60 and 44,975.20

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Solution

The fourth proportional to 133,718.80, 200,529.60 and 44,975.20 is: 67,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,718.80 : 200,529.60 = 44,975.20 : x
  2. Step 2: Convert to fraction form
    133,718.80/200,529.60 = 44,975.20/x
  3. Step 3: Cross multiply
    133,718.80x = 200,529.60 × 44,975.20
  4. Step 4: Simplify right side
    133,718.80x = 9,018,858,865.92
  5. Step 5: Solve for x
    x = 9,018,858,865.92/133,718.80
  6. Step 6: Final answer
    x = 67,446.45

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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.