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Finding the Fourth Proportional to 173,586.76, 239,546.56 and 98,135.28

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Solution

The fourth proportional to 173,586.76, 239,546.56 and 98,135.28 is: 135,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,586.76 : 239,546.56 = 98,135.28 : x
  2. Step 2: Convert to fraction form
    173,586.76/239,546.56 = 98,135.28/x
  3. Step 3: Cross multiply
    173,586.76x = 239,546.56 × 98,135.28
  4. Step 4: Simplify right side
    173,586.76x = 23,507,968,738.64
  5. Step 5: Solve for x
    x = 23,507,968,738.64/173,586.76
  6. Step 6: Final answer
    x = 135,424.89

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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.