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Finding the Fourth Proportional to 173,412.34, 239,305.38 and 96,929.30

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Solution

The fourth proportional to 173,412.34, 239,305.38 and 96,929.30 is: 133,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,412.34 : 239,305.38 = 96,929.30 : x
  2. Step 2: Convert to fraction form
    173,412.34/239,305.38 = 96,929.30/x
  3. Step 3: Cross multiply
    173,412.34x = 239,305.38 × 96,929.30
  4. Step 4: Simplify right side
    173,412.34x = 23,195,702,969.63
  5. Step 5: Solve for x
    x = 23,195,702,969.63/173,412.34
  6. Step 6: Final answer
    x = 133,760.39

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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.