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Finding the Fourth Proportional to 71,604.81, 98,803.65 and 41,384.27

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Solution

The fourth proportional to 71,604.81, 98,803.65 and 41,384.27 is: 57,103.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,604.81 : 98,803.65 = 41,384.27 : x
  2. Step 2: Convert to fraction form
    71,604.81/98,803.65 = 41,384.27/x
  3. Step 3: Cross multiply
    71,604.81x = 98,803.65 × 41,384.27
  4. Step 4: Simplify right side
    71,604.81x = 4,088,916,542.23
  5. Step 5: Solve for x
    x = 4,088,916,542.23/71,604.81
  6. Step 6: Final answer
    x = 57,103.94

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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.