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Finding the Fourth Proportional to 174,564.97, 261,661.11 and 99,523.54

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Solution

The fourth proportional to 174,564.97, 261,661.11 and 99,523.54 is: 149,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,564.97 : 261,661.11 = 99,523.54 : x
  2. Step 2: Convert to fraction form
    174,564.97/261,661.11 = 99,523.54/x
  3. Step 3: Cross multiply
    174,564.97x = 261,661.11 × 99,523.54
  4. Step 4: Simplify right side
    174,564.97x = 26,041,438,709.46
  5. Step 5: Solve for x
    x = 26,041,438,709.46/174,564.97
  6. Step 6: Final answer
    x = 149,179.06

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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.