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Finding the Fourth Proportional to 172,554.72, 238,125 and 97,103.20

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Solution

The fourth proportional to 172,554.72, 238,125 and 97,103.20 is: 134,002.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,554.72 : 238,125 = 97,103.20 : x
  2. Step 2: Convert to fraction form
    172,554.72/238,125 = 97,103.20/x
  3. Step 3: Cross multiply
    172,554.72x = 238,125 × 97,103.20
  4. Step 4: Simplify right side
    172,554.72x = 23,122,699,500
  5. Step 5: Solve for x
    x = 23,122,699,500/172,554.72
  6. Step 6: Final answer
    x = 134,002.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.