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Finding the Fourth Proportional to 173,215.92, 259,831.18 and 54,884.64

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Solution

The fourth proportional to 173,215.92, 259,831.18 and 54,884.64 is: 82,329.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,215.92 : 259,831.18 = 54,884.64 : x
  2. Step 2: Convert to fraction form
    173,215.92/259,831.18 = 54,884.64/x
  3. Step 3: Cross multiply
    173,215.92x = 259,831.18 × 54,884.64
  4. Step 4: Simplify right side
    173,215.92x = 14,260,740,775.08
  5. Step 5: Solve for x
    x = 14,260,740,775.08/173,215.92
  6. Step 6: Final answer
    x = 82,329.27

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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.