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Finding the Fourth Proportional to 93,846.45, 140,790.45 and 51,704.84

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Solution

The fourth proportional to 93,846.45, 140,790.45 and 51,704.84 is: 77,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,846.45 : 140,790.45 = 51,704.84 : x
  2. Step 2: Convert to fraction form
    93,846.45/140,790.45 = 51,704.84/x
  3. Step 3: Cross multiply
    93,846.45x = 140,790.45 × 51,704.84
  4. Step 4: Simplify right side
    93,846.45x = 7,279,547,153.86
  5. Step 5: Solve for x
    x = 7,279,547,153.86/93,846.45
  6. Step 6: Final answer
    x = 77,568.70

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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.