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Finding the Fourth Proportional to 73,612.71, 110,274.52 and 48,576.35

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Solution

The fourth proportional to 73,612.71, 110,274.52 and 48,576.35 is: 72,769.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,612.71 : 110,274.52 = 48,576.35 : x
  2. Step 2: Convert to fraction form
    73,612.71/110,274.52 = 48,576.35/x
  3. Step 3: Cross multiply
    73,612.71x = 110,274.52 × 48,576.35
  4. Step 4: Simplify right side
    73,612.71x = 5,356,733,183.72
  5. Step 5: Solve for x
    x = 5,356,733,183.72/73,612.71
  6. Step 6: Final answer
    x = 72,769.13

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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.