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Finding the Fourth Proportional to 179,980.32, 269,977.74 and 61,663.62

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Solution

The fourth proportional to 179,980.32, 269,977.74 and 61,663.62 is: 92,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,980.32 : 269,977.74 = 61,663.62 : x
  2. Step 2: Convert to fraction form
    179,980.32/269,977.74 = 61,663.62/x
  3. Step 3: Cross multiply
    179,980.32x = 269,977.74 × 61,663.62
  4. Step 4: Simplify right side
    179,980.32x = 16,647,804,767.82
  5. Step 5: Solve for x
    x = 16,647,804,767.82/179,980.32
  6. Step 6: Final answer
    x = 92,497.92

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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.