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Finding the Fourth Proportional to 173,234.48, 239,293.08 and 139,370.54

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Solution

The fourth proportional to 173,234.48, 239,293.08 and 139,370.54 is: 192,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,234.48 : 239,293.08 = 139,370.54 : x
  2. Step 2: Convert to fraction form
    173,234.48/239,293.08 = 139,370.54/x
  3. Step 3: Cross multiply
    173,234.48x = 239,293.08 × 139,370.54
  4. Step 4: Simplify right side
    173,234.48x = 33,350,404,581.40
  5. Step 5: Solve for x
    x = 33,350,404,581.40/173,234.48
  6. Step 6: Final answer
    x = 192,515.98

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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.