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Finding the Fourth Proportional to 133,760.68, 200,706.76 and 53,795.46

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Solution

The fourth proportional to 133,760.68, 200,706.76 and 53,795.46 is: 80,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,760.68 : 200,706.76 = 53,795.46 : x
  2. Step 2: Convert to fraction form
    133,760.68/200,706.76 = 53,795.46/x
  3. Step 3: Cross multiply
    133,760.68x = 200,706.76 × 53,795.46
  4. Step 4: Simplify right side
    133,760.68x = 10,797,112,479.31
  5. Step 5: Solve for x
    x = 10,797,112,479.31/133,760.68
  6. Step 6: Final answer
    x = 80,719.63

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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.