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Finding the Fourth Proportional to 65,596.29, 98,267.60 and 54,939.79

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Solution

The fourth proportional to 65,596.29, 98,267.60 and 54,939.79 is: 82,303.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,596.29 : 98,267.60 = 54,939.79 : x
  2. Step 2: Convert to fraction form
    65,596.29/98,267.60 = 54,939.79/x
  3. Step 3: Cross multiply
    65,596.29x = 98,267.60 × 54,939.79
  4. Step 4: Simplify right side
    65,596.29x = 5,398,801,307.80
  5. Step 5: Solve for x
    x = 5,398,801,307.80/65,596.29
  6. Step 6: Final answer
    x = 82,303.46

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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.