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Finding the Fourth Proportional to 173,379.88, 239,255.94 and 97,939.24

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Solution

The fourth proportional to 173,379.88, 239,255.94 and 97,939.24 is: 135,151.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,379.88 : 239,255.94 = 97,939.24 : x
  2. Step 2: Convert to fraction form
    173,379.88/239,255.94 = 97,939.24/x
  3. Step 3: Cross multiply
    173,379.88x = 239,255.94 × 97,939.24
  4. Step 4: Simplify right side
    173,379.88x = 23,432,544,929.09
  5. Step 5: Solve for x
    x = 23,432,544,929.09/173,379.88
  6. Step 6: Final answer
    x = 135,151.47

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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.