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Finding the Fourth Proportional to 173,632, 239,642.87 and 102,012.00

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Solution

The fourth proportional to 173,632, 239,642.87 and 102,012.00 is: 140,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,632 : 239,642.87 = 102,012.00 : x
  2. Step 2: Convert to fraction form
    173,632/239,642.87 = 102,012.00/x
  3. Step 3: Cross multiply
    173,632x = 239,642.87 × 102,012.00
  4. Step 4: Simplify right side
    173,632x = 24,446,449,308.58
  5. Step 5: Solve for x
    x = 24,446,449,308.58/173,632
  6. Step 6: Final answer
    x = 140,794.61

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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.