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Finding the Fourth Proportional to 173,246.40, 259,847.64 and 54,918.72

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Solution

The fourth proportional to 173,246.40, 259,847.64 and 54,918.72 is: 82,371.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,246.40 : 259,847.64 = 54,918.72 : x
  2. Step 2: Convert to fraction form
    173,246.40/259,847.64 = 54,918.72/x
  3. Step 3: Cross multiply
    173,246.40x = 259,847.64 × 54,918.72
  4. Step 4: Simplify right side
    173,246.40x = 14,270,499,783.82
  5. Step 5: Solve for x
    x = 14,270,499,783.82/173,246.40
  6. Step 6: Final answer
    x = 82,371.12

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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.