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Finding the Fourth Proportional to 173,144.40, 238,939.64 and 97,692.96

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Solution

The fourth proportional to 173,144.40, 238,939.64 and 97,692.96 is: 134,816.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,144.40 : 238,939.64 = 97,692.96 : x
  2. Step 2: Convert to fraction form
    173,144.40/238,939.64 = 97,692.96/x
  3. Step 3: Cross multiply
    173,144.40x = 238,939.64 × 97,692.96
  4. Step 4: Simplify right side
    173,144.40x = 23,342,720,692.93
  5. Step 5: Solve for x
    x = 23,342,720,692.93/173,144.40
  6. Step 6: Final answer
    x = 134,816.49

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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.