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Finding the Fourth Proportional to 133,624.56, 200,436.70 and 54,738.92

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Solution

The fourth proportional to 133,624.56, 200,436.70 and 54,738.92 is: 82,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,624.56 : 200,436.70 = 54,738.92 : x
  2. Step 2: Convert to fraction form
    133,624.56/200,436.70 = 54,738.92/x
  3. Step 3: Cross multiply
    133,624.56x = 200,436.70 × 54,738.92
  4. Step 4: Simplify right side
    133,624.56x = 10,971,688,486.36
  5. Step 5: Solve for x
    x = 10,971,688,486.36/133,624.56
  6. Step 6: Final answer
    x = 82,108.32

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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.