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Finding the Fourth Proportional to 172,850.72, 238,525.44 and 97,404.08

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Solution

The fourth proportional to 172,850.72, 238,525.44 and 97,404.08 is: 134,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,850.72 : 238,525.44 = 97,404.08 : x
  2. Step 2: Convert to fraction form
    172,850.72/238,525.44 = 97,404.08/x
  3. Step 3: Cross multiply
    172,850.72x = 238,525.44 × 97,404.08
  4. Step 4: Simplify right side
    172,850.72x = 23,233,351,039.80
  5. Step 5: Solve for x
    x = 23,233,351,039.80/172,850.72
  6. Step 6: Final answer
    x = 134,412.81

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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.