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Finding the Fourth Proportional to 173,388.96, 239,273.64 and 96,909.30

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Solution

The fourth proportional to 173,388.96, 239,273.64 and 96,909.30 is: 133,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,388.96 : 239,273.64 = 96,909.30 : x
  2. Step 2: Convert to fraction form
    173,388.96/239,273.64 = 96,909.30/x
  3. Step 3: Cross multiply
    173,388.96x = 239,273.64 × 96,909.30
  4. Step 4: Simplify right side
    173,388.96x = 23,187,840,960.85
  5. Step 5: Solve for x
    x = 23,187,840,960.85/173,388.96
  6. Step 6: Final answer
    x = 133,733.09

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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.