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Finding the Fourth Proportional to 179,754.23, 269,631.35 and 61,426.60

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Solution

The fourth proportional to 179,754.23, 269,631.35 and 61,426.60 is: 92,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,754.23 : 269,631.35 = 61,426.60 : x
  2. Step 2: Convert to fraction form
    179,754.23/269,631.35 = 61,426.60/x
  3. Step 3: Cross multiply
    179,754.23x = 269,631.35 × 61,426.60
  4. Step 4: Simplify right side
    179,754.23x = 16,562,537,083.91
  5. Step 5: Solve for x
    x = 16,562,537,083.91/179,754.23
  6. Step 6: Final answer
    x = 92,139.90

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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.