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Finding the Fourth Proportional to 93,264.69, 128,704.87 and 50,823.22

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Solution

The fourth proportional to 93,264.69, 128,704.87 and 50,823.22 is: 70,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,264.69 : 128,704.87 = 50,823.22 : x
  2. Step 2: Convert to fraction form
    93,264.69/128,704.87 = 50,823.22/x
  3. Step 3: Cross multiply
    93,264.69x = 128,704.87 × 50,823.22
  4. Step 4: Simplify right side
    93,264.69x = 6,541,195,923.08
  5. Step 5: Solve for x
    x = 6,541,195,923.08/93,264.69
  6. Step 6: Final answer
    x = 70,135.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.