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Finding the Fourth Proportional to 171,322.01, 256,516.46 and 133,239.05

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Solution

The fourth proportional to 171,322.01, 256,516.46 and 133,239.05 is: 199,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,322.01 : 256,516.46 = 133,239.05 : x
  2. Step 2: Convert to fraction form
    171,322.01/256,516.46 = 133,239.05/x
  3. Step 3: Cross multiply
    171,322.01x = 256,516.46 × 133,239.05
  4. Step 4: Simplify right side
    171,322.01x = 34,178,008,773.57
  5. Step 5: Solve for x
    x = 34,178,008,773.57/171,322.01
  6. Step 6: Final answer
    x = 199,495.73

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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.