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Finding the Fourth Proportional to 173,116.98, 259,709.13 and 66,493.13

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Solution

The fourth proportional to 173,116.98, 259,709.13 and 66,493.13 is: 99,752.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,116.98 : 259,709.13 = 66,493.13 : x
  2. Step 2: Convert to fraction form
    173,116.98/259,709.13 = 66,493.13/x
  3. Step 3: Cross multiply
    173,116.98x = 259,709.13 × 66,493.13
  4. Step 4: Simplify right side
    173,116.98x = 17,268,871,644.73
  5. Step 5: Solve for x
    x = 17,268,871,644.73/173,116.98
  6. Step 6: Final answer
    x = 99,752.62

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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.