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Finding the Fourth Proportional to 173,706.05, 239,523.99 and 113,164.43

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Solution

The fourth proportional to 173,706.05, 239,523.99 and 113,164.43 is: 156,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,706.05 : 239,523.99 = 113,164.43 : x
  2. Step 2: Convert to fraction form
    173,706.05/239,523.99 = 113,164.43/x
  3. Step 3: Cross multiply
    173,706.05x = 239,523.99 × 113,164.43
  4. Step 4: Simplify right side
    173,706.05x = 27,105,594,177.69
  5. Step 5: Solve for x
    x = 27,105,594,177.69/173,706.05
  6. Step 6: Final answer
    x = 156,042.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.