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Finding the Fourth Proportional to 98,044.56, 146,829.92 and 55,796.64

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Solution

The fourth proportional to 98,044.56, 146,829.92 and 55,796.64 is: 83,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,044.56 : 146,829.92 = 55,796.64 : x
  2. Step 2: Convert to fraction form
    98,044.56/146,829.92 = 55,796.64/x
  3. Step 3: Cross multiply
    98,044.56x = 146,829.92 × 55,796.64
  4. Step 4: Simplify right side
    98,044.56x = 8,192,616,187.47
  5. Step 5: Solve for x
    x = 8,192,616,187.47/98,044.56
  6. Step 6: Final answer
    x = 83,560.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.