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Finding the Fourth Proportional to 73,292.84, 109,873.74 and 35,831.72

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Solution

The fourth proportional to 73,292.84, 109,873.74 and 35,831.72 is: 53,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,292.84 : 109,873.74 = 35,831.72 : x
  2. Step 2: Convert to fraction form
    73,292.84/109,873.74 = 35,831.72/x
  3. Step 3: Cross multiply
    73,292.84x = 109,873.74 × 35,831.72
  4. Step 4: Simplify right side
    73,292.84x = 3,936,965,087.03
  5. Step 5: Solve for x
    x = 3,936,965,087.03/73,292.84
  6. Step 6: Final answer
    x = 53,715.55

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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.