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Finding the Fourth Proportional to 172,999.52, 238,739.37 and 97,548.02

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Solution

The fourth proportional to 172,999.52, 238,739.37 and 97,548.02 is: 134,616.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,999.52 : 238,739.37 = 97,548.02 : x
  2. Step 2: Convert to fraction form
    172,999.52/238,739.37 = 97,548.02/x
  3. Step 3: Cross multiply
    172,999.52x = 238,739.37 × 97,548.02
  4. Step 4: Simplify right side
    172,999.52x = 23,288,552,839.55
  5. Step 5: Solve for x
    x = 23,288,552,839.55/172,999.52
  6. Step 6: Final answer
    x = 134,616.29

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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.