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Finding the Fourth Proportional to 65,595.79, 98,266.85 and 54,939.29

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Solution

The fourth proportional to 65,595.79, 98,266.85 and 54,939.29 is: 82,302.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,595.79 : 98,266.85 = 54,939.29 : x
  2. Step 2: Convert to fraction form
    65,595.79/98,266.85 = 54,939.29/x
  3. Step 3: Cross multiply
    65,595.79x = 98,266.85 × 54,939.29
  4. Step 4: Simplify right side
    65,595.79x = 5,398,710,969.54
  5. Step 5: Solve for x
    x = 5,398,710,969.54/65,595.79
  6. Step 6: Final answer
    x = 82,302.71

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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.