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Finding the Fourth Proportional to 173,250.99, 239,072.86 and 100,641.86

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Solution

The fourth proportional to 173,250.99, 239,072.86 and 100,641.86 is: 138,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,250.99 : 239,072.86 = 100,641.86 : x
  2. Step 2: Convert to fraction form
    173,250.99/239,072.86 = 100,641.86/x
  3. Step 3: Cross multiply
    173,250.99x = 239,072.86 × 100,641.86
  4. Step 4: Simplify right side
    173,250.99x = 24,060,735,858.95
  5. Step 5: Solve for x
    x = 24,060,735,858.95/173,250.99
  6. Step 6: Final answer
    x = 138,877.91

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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.