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Finding the Fourth Proportional to 179,702.72, 269,605.92 and 55,062.08

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Solution

The fourth proportional to 179,702.72, 269,605.92 and 55,062.08 is: 82,609.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,702.72 : 269,605.92 = 55,062.08 : x
  2. Step 2: Convert to fraction form
    179,702.72/269,605.92 = 55,062.08/x
  3. Step 3: Cross multiply
    179,702.72x = 269,605.92 × 55,062.08
  4. Step 4: Simplify right side
    179,702.72x = 14,845,062,735.51
  5. Step 5: Solve for x
    x = 14,845,062,735.51/179,702.72
  6. Step 6: Final answer
    x = 82,609.00

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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.