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Finding the Fourth Proportional to 173,672.00, 260,384.98 and 66,965.54

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Solution

The fourth proportional to 173,672.00, 260,384.98 and 66,965.54 is: 100,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,672.00 : 260,384.98 = 66,965.54 : x
  2. Step 2: Convert to fraction form
    173,672.00/260,384.98 = 66,965.54/x
  3. Step 3: Cross multiply
    173,672.00x = 260,384.98 × 66,965.54
  4. Step 4: Simplify right side
    173,672.00x = 17,436,819,449.81
  5. Step 5: Solve for x
    x = 17,436,819,449.81/173,672.00
  6. Step 6: Final answer
    x = 100,400.87

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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.