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Finding the Fourth Proportional to 173,288.92, 259,958.17 and 53,356.02

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Solution

The fourth proportional to 173,288.92, 259,958.17 and 53,356.02 is: 80,041.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,288.92 : 259,958.17 = 53,356.02 : x
  2. Step 2: Convert to fraction form
    173,288.92/259,958.17 = 53,356.02/x
  3. Step 3: Cross multiply
    173,288.92x = 259,958.17 × 53,356.02
  4. Step 4: Simplify right side
    173,288.92x = 13,870,332,017.89
  5. Step 5: Solve for x
    x = 13,870,332,017.89/173,288.92
  6. Step 6: Final answer
    x = 80,041.66

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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.