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Finding the Fourth Proportional to 173,144.88, 238,945.08 and 106,038.96

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Solution

The fourth proportional to 173,144.88, 238,945.08 and 106,038.96 is: 146,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,144.88 : 238,945.08 = 106,038.96 : x
  2. Step 2: Convert to fraction form
    173,144.88/238,945.08 = 106,038.96/x
  3. Step 3: Cross multiply
    173,144.88x = 238,945.08 × 106,038.96
  4. Step 4: Simplify right side
    173,144.88x = 25,337,487,780.32
  5. Step 5: Solve for x
    x = 25,337,487,780.32/173,144.88
  6. Step 6: Final answer
    x = 146,336.92

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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.